8138

8138 is the natural number that comes after 8137 and before 8139. In mathematics, it is an even composite integer. Its prime factorization is 2 × 13 × 313, so the positive divisors of 8138 are 1, 2, 13, 26, 313, 626, 4069, and 8138. The digit sum of 8138 is 20, indicating it is not divisible by 3, and it is not a perfect square or cube.

Beyond its role as a number, 8138 commonly appears as a numeric label in various catalogs, product codes, or model numbers. In such contexts, the meaning of 8138 depends on the domain or system in which it is used, and the number itself does not convey a specific inherent property without that context.

Related numbers include 8137 and 8139, which bracket 8138 on the number line. As with many integers, 8138 serves as a basic building block in arithmetic and can appear in diverse applications whenever a four-digit identifier is required. If a particular usage of 8138 is intended (such as a specific classification, model, or catalog entry), additional context would be needed to provide a precise description.