131156000 has 48 divisors (see below), whose sum is σ = 322260120. Its totient is φ = 52460800.

The previous prime is 131155987. The next prime is 131156017. The reversal of 131156000 is 651131.

It can be written as a sum of positive squares in 4 ways, for example, as 37994896 + 93161104 = 6164^2 + 9652^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131156000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12395 + ... + 20394.

Almost surely, 2^131156000 is an apocalyptic number.

131156000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131156000 is an abundant number, since it is smaller than the sum of its proper divisors (191104120).

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

131156000 is an equidigital number, since it uses as much as digits as its factorization.

131156000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32814 (or 32796 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 131156000 is about 11452.3360062478. The cubic root of 131156000 is about 508.0768272008.

The spelling of 131156000 in words is "one hundred thirty-one million, one hundred fifty-six thousand".