139198804 has 12 divisors (see below), whose sum is σ = 251456128. Its totient is φ = 67354200.

The previous prime is 139198793. The next prime is 139198823. The reversal of 139198804 is 408891931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561162 + ... + 561409.

Almost surely, 2^139198804 is an apocalyptic number.

It is an amenable number.

139198804 is a deficient number, since it is larger than the sum of its proper divisors (112257324).

139198804 is a wasteful number, since it uses less digits than its factorization.

139198804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122606 (or 1122604 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 139198804 is about 11798.2542776463. The cubic root of 139198804 is about 518.2569894993.

The spelling of 139198804 in words is "one hundred thirty-nine million, one hundred ninety-eight thousand, eight hundred four".