131894392 has 32 divisors (see below), whose sum is σ = 285556320. Its totient is φ = 55941120.

The previous prime is 131894341. The next prime is 131894393. The reversal of 131894392 is 293498131.

It is a super-2 number, since 2×131894392² = 34792261282099328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131894393) 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, 6709 + ... + 17572.

It is an arithmetic number, because the mean of its divisors is an integer number (8923635).

Almost surely, 2^131894392 is an apocalyptic number.

It is an amenable number.

131894392 is an abundant number, since it is smaller than the sum of its proper divisors (153661928).

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

131894392 is a wasteful number, since it uses less digits than its factorization.

131894392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24391 (or 24387 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 131894392 is about 11484.5283751663. The cubic root of 131894392 is about 509.0285132944.

The spelling of 131894392 in words is "one hundred thirty-one million, eight hundred ninety-four thousand, three hundred ninety-two".