139708196 has 24 divisors (see below), whose sum is σ = 261085440. Its totient is φ = 65268000.

The previous prime is 139708181. The next prime is 139708237. The reversal of 139708196 is 691807931.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 15830 + ... + 23021.

It is an arithmetic number, because the mean of its divisors is an integer number (10878560).

Almost surely, 2^139708196 is an apocalyptic number.

It is an amenable number.

139708196 is a deficient number, since it is larger than the sum of its proper divisors (121377244).

139708196 is a wasteful number, since it uses less digits than its factorization.

139708196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38915 (or 38913 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 139708196 is about 11819.8221644828. The cubic root of 139708196 is about 518.8883995945. Note that the first 3 decimals are identical.

The spelling of 139708196 in words is "one hundred thirty-nine million, seven hundred eight thousand, one hundred ninety-six".