79150131 has 12 divisors (see below), whose sum is σ = 117117000. Its totient is φ = 51479520.

The previous prime is 79150129. The next prime is 79150139. The reversal of 79150131 is 13105197.

It is a happy number.

It is not a de Polignac number, because 79150131 - 2¹ = 79150129 is a prime.

It is a super-2 number, since 2×79150131² = 12529486474634322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79150095 and 79150104.

It is not an unprimeable number, because it can be changed into a prime (79150139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106881 + ... + 107618.

It is an arithmetic number, because the mean of its divisors is an integer number (9759750).

Almost surely, 2^79150131 is an apocalyptic number.

79150131 is a deficient number, since it is larger than the sum of its proper divisors (37966869).

79150131 is a wasteful number, since it uses less digits than its factorization.

79150131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214546 (or 214543 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The square root of 79150131 is about 8896.6359372518. The cubic root of 79150131 is about 429.3556800547.

The spelling of 79150131 in words is "seventy-nine million, one hundred fifty thousand, one hundred thirty-one".