130777392 has 20 divisors (see below), whose sum is σ = 337841720. Its totient is φ = 43592448.

The previous prime is 130777369. The next prime is 130777397. The reversal of 130777392 is 293777031.

It is a self number, because there is not a number n which added to its sum of digits gives 130777392.

It is not an unprimeable number, because it can be changed into a prime (130777397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1362217 + ... + 1362312.

It is an arithmetic number, because the mean of its divisors is an integer number (16892086).

Almost surely, 2^130777392 is an apocalyptic number.

130777392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130777392 is an abundant number, since it is smaller than the sum of its proper divisors (207064328).

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

130777392 is a wasteful number, since it uses less digits than its factorization.

130777392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724540 (or 2724534 counting only the distinct ones).

The product of its (nonzero) digits is 55566, while the sum is 39.

The square root of 130777392 is about 11435.7943318337. The cubic root of 130777392 is about 507.5874675937.

The spelling of 130777392 in words is "one hundred thirty million, seven hundred seventy-seven thousand, three hundred ninety-two".