10915138 has 24 divisors (see below), whose sum is σ = 18168948. Its totient is φ = 4887168.

The previous prime is 10915057. The next prime is 10915141. The reversal of 10915138 is 83151901.

It can be written as a sum of positive squares in 6 ways, for example, as 1447209 + 9467929 = 1203^2 + 3077^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122598 + ... + 122686.

Almost surely, 2^10915138 is an apocalyptic number.

10915138 is a deficient number, since it is larger than the sum of its proper divisors (7253810).

10915138 is an equidigital number, since it uses as much as digits as its factorization.

10915138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 10915138 is about 3303.8065924022. The cubic root of 10915138 is about 221.8246186738.

The spelling of 10915138 in words is "ten million, nine hundred fifteen thousand, one hundred thirty-eight".