392057904137 has 4 divisors (see below), whose sum is σ = 393785031696. Its totient is φ = 390330776580.

The previous prime is 392057904131. The next prime is 392057904151. The reversal of 392057904137 is 731409750293.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-392057904137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (392057904131) 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, 863563439 + ... + 863563892.

It is an arithmetic number, because the mean of its divisors is an integer number (98446257924).

Almost surely, 2^392057904137 is an apocalyptic number.

It is an amenable number.

392057904137 is a deficient number, since it is larger than the sum of its proper divisors (1727127559).

392057904137 is a wasteful number, since it uses less digits than its factorization.

392057904137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727127558.

The product of its (nonzero) digits is 1428840, while the sum is 50.

The spelling of 392057904137 in words is "three hundred ninety-two billion, fifty-seven million, nine hundred four thousand, one hundred thirty-seven".