131637190256 has 80 divisors (see below), whose sum is σ = 309301536768. Its totient is φ = 53450668800.

The previous prime is 131637190183. The next prime is 131637190273. The reversal of 131637190256 is 652091736131.

It is a Harshad number since it is a multiple of its sum of digits (44).

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 15 ways as a sum of consecutive naturals, for example, 857036 + ... + 998891.

Almost surely, 2^131637190256 is an apocalyptic number.

131637190256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131637190256 is an abundant number, since it is smaller than the sum of its proper divisors (177664346512).

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

131637190256 is a wasteful number, since it uses less digits than its factorization.

131637190256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855990 (or 1855984 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 131637190256 in words is "one hundred thirty-one billion, six hundred thirty-seven million, one hundred ninety thousand, two hundred fifty-six".