139204164 has 24 divisors (see below), whose sum is σ = 354338208. Its totient is φ = 42183040.

The previous prime is 139204139. The next prime is 139204171. The reversal of 139204164 is 461402931.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527157 + ... + 527420.

It is an arithmetic number, because the mean of its divisors is an integer number (14764092).

Almost surely, 2^139204164 is an apocalyptic number.

It is an amenable number.

139204164 is an abundant number, since it is smaller than the sum of its proper divisors (215134044).

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

139204164 is a wasteful number, since it uses less digits than its factorization.

139204164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054595 (or 1054593 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 139204164 is about 11798.4814277092. The cubic root of 139204164 is about 518.2636414287.

The spelling of 139204164 in words is "one hundred thirty-nine million, two hundred four thousand, one hundred sixty-four".