131424920 has 32 divisors (see below), whose sum is σ = 322589520. Its totient is φ = 47790720.

The previous prime is 131424913. The next prime is 131424929. The reversal of 131424920 is 29424131.

It is a self number, because there is not a number n which added to its sum of digits gives 131424920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131424929) 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, 148907 + ... + 149786.

Almost surely, 2^131424920 is an apocalyptic number.

131424920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131424920 is an abundant number, since it is smaller than the sum of its proper divisors (191164600).

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

131424920 is a wasteful number, since it uses less digits than its factorization.

131424920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298715 (or 298711 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 131424920 is about 11464.0708302069. The cubic root of 131424920 is about 508.4238407927.

The spelling of 131424920 in words is "one hundred thirty-one million, four hundred twenty-four thousand, nine hundred twenty".