131157132 has 24 divisors (see below), whose sum is σ = 319339776. Its totient is φ = 41818128.

The previous prime is 131157127. The next prime is 131157151. The reversal of 131157132 is 231751131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237328 + ... + 237879.

It is an arithmetic number, because the mean of its divisors is an integer number (13305824).

Almost surely, 2^131157132 is an apocalyptic number.

131157132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131157132 is an abundant number, since it is smaller than the sum of its proper divisors (188182644).

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

131157132 is a wasteful number, since it uses less digits than its factorization.

131157132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475237 (or 475235 counting only the distinct ones).

The product of its digits is 630, while the sum is 24.

The square root of 131157132 is about 11452.3854283726. The cubic root of 131157132 is about 508.0782889240.

The spelling of 131157132 in words is "one hundred thirty-one million, one hundred fifty-seven thousand, one hundred thirty-two".