131561460504 has 48 divisors (see below), whose sum is σ = 356427063720. Its totient is φ = 43839694080.

The previous prime is 131561460389. The next prime is 131561460529. The reversal of 131561460504 is 405064165131.

131561460504 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 6 + 146 + 0 + 504 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68022 + ... + 517445.

Almost surely, 2^131561460504 is an apocalyptic number.

It is an amenable number.

131561460504 is an abundant number, since it is smaller than the sum of its proper divisors (224865603216).

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

131561460504 is a wasteful number, since it uses less digits than its factorization.

131561460504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588600 (or 588593 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 131561460504 in words is "one hundred thirty-one billion, five hundred sixty-one million, four hundred sixty thousand, five hundred four".