131029392 has 40 divisors (see below), whose sum is σ = 364532224. Its totient is φ = 40316544.

The previous prime is 131029357. The next prime is 131029397. The reversal of 131029392 is 293920131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131029397) 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, 104368 + ... + 105615.

Almost surely, 2^131029392 is an apocalyptic number.

131029392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131029392 is an abundant number, since it is smaller than the sum of its proper divisors (233502832).

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

131029392 is a wasteful number, since it uses less digits than its factorization.

131029392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210007 (or 210001 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 131029392 is about 11446.8070657280. The cubic root of 131029392 is about 507.9132883598.

The spelling of 131029392 in words is "one hundred thirty-one million, twenty-nine thousand, three hundred ninety-two".