131574920 has 32 divisors (see below), whose sum is σ = 299617920. Its totient is φ = 51994560.

The previous prime is 131574913. The next prime is 131574941. The reversal of 131574920 is 29475131.

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, 16496 + ... + 23135.

It is an arithmetic number, because the mean of its divisors is an integer number (9363060).

Almost surely, 2^131574920 is an apocalyptic number.

131574920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131574920 is an abundant number, since it is smaller than the sum of its proper divisors (168043000).

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

131574920 is a wasteful number, since it uses less digits than its factorization.

131574920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39725 (or 39721 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 131574920 is about 11470.6111432652. The cubic root of 131574920 is about 508.6171947380.

The spelling of 131574920 in words is "one hundred thirty-one million, five hundred seventy-four thousand, nine hundred twenty".