131392 has 14 divisors (see below), whose sum is σ = 260858. Its totient is φ = 65664.

The previous prime is 131381. The next prime is 131413. The reversal of 131392 is 293131.

It can be written as a sum of positive squares in only one way, i.e., 112896 + 18496 = 336^2 + 136^2 .

It is a congruent number.

It is an unprimeable number.

131392 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 963 + ... + 1090.

2¹³¹³⁹² is an apocalyptic number.

It is an amenable number.

131392 is a deficient number, since it is larger than the sum of its proper divisors (129466).

131392 is an equidigital number, since it uses as much as digits as its factorization.

131392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065 (or 2055 counting only the distinct ones).

The product of its digits is 162, while the sum is 19.

The square root of 131392 is about 362.4803442947. The cubic root of 131392 is about 50.8381386362.

The spelling of 131392 in words is "one hundred thirty-one thousand, three hundred ninety-two".