131715175928 has 32 divisors (see below), whose sum is σ = 282284306400. Its totient is φ = 56441860992.

The previous prime is 131715175913. The next prime is 131715175987. The reversal of 131715175928 is 829571517131.

It is a happy number.

It is a super-2 number, since 2×131715175928² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279758 + ... + 584546.

It is an arithmetic number, because the mean of its divisors is an integer number (8821384575).

Almost surely, 2^131715175928 is an apocalyptic number.

It is an amenable number.

131715175928 is an abundant number, since it is smaller than the sum of its proper divisors (150569130472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131715175928 is a wasteful number, since it uses less digits than its factorization.

131715175928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312519 (or 312515 counting only the distinct ones).

The product of its digits is 529200, while the sum is 50.

The spelling of 131715175928 in words is "one hundred thirty-one billion, seven hundred fifteen million, one hundred seventy-five thousand, nine hundred twenty-eight".