131347392 has 56 divisors (see below), whose sum is σ = 379122432. Its totient is φ = 39801600.

The previous prime is 131347379. The next prime is 131347397. The reversal of 131347392 is 293743131.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131347397) by changing a digit.

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, 28984 + ... + 33207.

Almost surely, 2^131347392 is an apocalyptic number.

131347392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131347392 is an abundant number, since it is smaller than the sum of its proper divisors (247775040).

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

131347392 is a wasteful number, since it uses less digits than its factorization.

131347392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62217 (or 62207 counting only the distinct ones).

The product of its digits is 13608, while the sum is 33.

The square root of 131347392 is about 11460.6889845244. The cubic root of 131347392 is about 508.3238474864.

The spelling of 131347392 in words is "one hundred thirty-one million, three hundred forty-seven thousand, three hundred ninety-two".