131457157156 has 24 divisors (see below), whose sum is σ = 258517756224. Its totient is φ = 58034597280.

The previous prime is 131457157129. The next prime is 131457157187. The reversal of 131457157156 is 651751754131.

It is a Harshad number since it is a multiple of its sum of digits (46).

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 7 ways as a sum of consecutive naturals, for example, 54955810 + ... + 54958201.

It is an arithmetic number, because the mean of its divisors is an integer number (10771573176).

Almost surely, 2^131457157156 is an apocalyptic number.

It is an amenable number.

131457157156 is a deficient number, since it is larger than the sum of its proper divisors (127060599068).

131457157156 is a wasteful number, since it uses less digits than its factorization.

131457157156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109914051 (or 109914049 counting only the distinct ones).

The product of its digits is 441000, while the sum is 46.

The spelling of 131457157156 in words is "one hundred thirty-one billion, four hundred fifty-seven million, one hundred fifty-seven thousand, one hundred fifty-six".