139272808 has 16 divisors (see below), whose sum is σ = 261643680. Its totient is φ = 69501168.

The previous prime is 139272799. The next prime is 139272811. The reversal of 139272808 is 808272931.

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, 12460 + ... + 20827.

It is an arithmetic number, because the mean of its divisors is an integer number (16352730).

Almost surely, 2^139272808 is an apocalyptic number.

It is an amenable number.

139272808 is a deficient number, since it is larger than the sum of its proper divisors (122370872).

139272808 is a wasteful number, since it uses less digits than its factorization.

139272808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33816 (or 33812 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 139272808 is about 11801.3900876126. The cubic root of 139272808 is about 518.3488157087.

The spelling of 139272808 in words is "one hundred thirty-nine million, two hundred seventy-two thousand, eight hundred eight".