139168704 has 28 divisors (see below), whose sum is σ = 368217704. Its totient is φ = 46389504.

The previous prime is 139168663. The next prime is 139168723. The reversal of 139168704 is 407861931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362227 + ... + 362610.

Almost surely, 2^139168704 is an apocalyptic number.

It is an amenable number.

139168704 is an abundant number, since it is smaller than the sum of its proper divisors (229049000).

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

139168704 is an equidigital number, since it uses as much as digits as its factorization.

139168704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724852 (or 724842 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 139168704 is about 11796.9785962339. The cubic root of 139168704 is about 518.2196312763.

The spelling of 139168704 in words is "one hundred thirty-nine million, one hundred sixty-eight thousand, seven hundred four".