131260671564 has 24 divisors (see below), whose sum is σ = 334118073408. Its totient is φ = 39775961040.

The previous prime is 131260671559. The next prime is 131260671613. The reversal of 131260671564 is 465176062131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497199382 + ... + 497199645.

It is an arithmetic number, because the mean of its divisors is an integer number (13921586392).

Almost surely, 2^131260671564 is an apocalyptic number.

It is an amenable number.

131260671564 is an abundant number, since it is smaller than the sum of its proper divisors (202857401844).

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

131260671564 is a wasteful number, since it uses less digits than its factorization.

131260671564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994399045 (or 994399043 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 131260671564 in words is "one hundred thirty-one billion, two hundred sixty million, six hundred seventy-one thousand, five hundred sixty-four".