131420392 has 16 divisors (see below), whose sum is σ = 248854500. Its totient is φ = 65059200.

The previous prime is 131420381. The next prime is 131420407. The reversal of 131420392 is 293024131.

It can be written as a sum of positive squares in 2 ways, for example, as 122456356 + 8964036 = 11066^2 + 2994^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80517 + ... + 82132.

Almost surely, 2^131420392 is an apocalyptic number.

It is an amenable number.

131420392 is a deficient number, since it is larger than the sum of its proper divisors (117434108).

131420392 is a wasteful number, since it uses less digits than its factorization.

131420392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162756 (or 162752 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 131420392 is about 11463.8733419381. The cubic root of 131420392 is about 508.4180017945.

The spelling of 131420392 in words is "one hundred thirty-one million, four hundred twenty thousand, three hundred ninety-two".