131537671564 has 48 divisors (see below), whose sum is σ = 262571301216. Its totient is φ = 57118694400.

The previous prime is 131537671541. The next prime is 131537671589. The reversal of 131537671564 is 465176735131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2681619 + ... + 2730229.

It is an arithmetic number, because the mean of its divisors is an integer number (5470235442).

Almost surely, 2^131537671564 is an apocalyptic number.

It is an amenable number.

131537671564 is a deficient number, since it is larger than the sum of its proper divisors (131033629652).

131537671564 is a wasteful number, since it uses less digits than its factorization.

131537671564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51706 (or 51704 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 49.

The spelling of 131537671564 in words is "one hundred thirty-one billion, five hundred thirty-seven million, six hundred seventy-one thousand, five hundred sixty-four".