139192804 has 27 divisors (see below), whose sum is σ = 259506793. Its totient is φ = 65313728.

The previous prime is 139192799. The next prime is 139192811. The reversal of 139192804 is 408291931.

The square root of 139192804 is 11798.

It is a perfect power (a square), and thus also a powerful number.

139192804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 108368100 + 30824704 = 10410^2 + 5552^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 400959 + ... + 401305.

Almost surely, 2^139192804 is an apocalyptic number.

139192804 is the 11798-th square number.

It is an amenable number.

139192804 is a deficient number, since it is larger than the sum of its proper divisors (120313989).

139192804 is an equidigital number, since it uses as much as digits as its factorization.

139192804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The cubic root of 139192804 is about 518.2495431073.

The spelling of 139192804 in words is "one hundred thirty-nine million, one hundred ninety-two thousand, eight hundred four".