131389792 has 12 divisors (see below), whose sum is σ = 258673716. Its totient is φ = 65694880.

The previous prime is 131389763. The next prime is 131389801. The reversal of 131389792 is 297983131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2052934 + ... + 2052997.

It is an arithmetic number, because the mean of its divisors is an integer number (21556143).

Almost surely, 2^131389792 is an apocalyptic number.

It is an amenable number.

131389792 is a deficient number, since it is larger than the sum of its proper divisors (127283924).

131389792 is an equidigital number, since it uses as much as digits as its factorization.

131389792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4105941 (or 4105933 counting only the distinct ones).

The product of its digits is 81648, while the sum is 43.

The square root of 131389792 is about 11462.5386367942. The cubic root of 131389792 is about 508.3785386177.

The spelling of 131389792 in words is "one hundred thirty-one million, three hundred eighty-nine thousand, seven hundred ninety-two".