156980131 has 8 divisors (see below), whose sum is σ = 195715584. Its totient is φ = 122322120.

The previous prime is 156980123. The next prime is 156980171. The reversal of 156980131 is 131089651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 156980131 - 2³ = 156980123 is a prime.

It is a super-2 number, since 2×156980131² = 49285523057554322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156980171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019275 + ... + 1019428.

It is an arithmetic number, because the mean of its divisors is an integer number (24464448).

Almost surely, 2^156980131 is an apocalyptic number.

156980131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

156980131 is a deficient number, since it is larger than the sum of its proper divisors (38735453).

156980131 is a wasteful number, since it uses less digits than its factorization.

156980131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038721.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 156980131 is about 12529.1712016398. The cubic root of 156980131 is about 539.4463129027.

The spelling of 156980131 in words is "one hundred fifty-six million, nine hundred eighty thousand, one hundred thirty-one".