139271996 has 12 divisors (see below), whose sum is σ = 250313448. Its totient is φ = 67753872.

The previous prime is 139271987. The next prime is 139272011. The reversal of 139271996 is 699172931.

139271996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 139271996.

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, 470366 + ... + 470661.

It is an arithmetic number, because the mean of its divisors is an integer number (20859454).

Almost surely, 2^139271996 is an apocalyptic number.

It is an amenable number.

139271996 is a deficient number, since it is larger than the sum of its proper divisors (111041452).

139271996 is a wasteful number, since it uses less digits than its factorization.

139271996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941068 (or 941066 counting only the distinct ones).

The product of its digits is 183708, while the sum is 47.

The square root of 139271996 is about 11801.3556848355. The cubic root of 139271996 is about 518.3478083332.

The spelling of 139271996 in words is "one hundred thirty-nine million, two hundred seventy-one thousand, nine hundred ninety-six".