139236704 has 24 divisors (see below), whose sum is σ = 276288768. Its totient is φ = 69068160.

The previous prime is 139236703. The next prime is 139236707. The reversal of 139236704 is 407632931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139236703) 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, 13067 + ... + 21194.

It is an arithmetic number, because the mean of its divisors is an integer number (11512032).

Almost surely, 2^139236704 is an apocalyptic number.

It is an amenable number.

139236704 is a deficient number, since it is larger than the sum of its proper divisors (137052064).

139236704 is a wasteful number, since it uses less digits than its factorization.

139236704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34398 (or 34390 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 139236704 is about 11799.8603381565. The cubic root of 139236704 is about 518.3040209320.

The spelling of 139236704 in words is "one hundred thirty-nine million, two hundred thirty-six thousand, seven hundred four".