139296812 has 12 divisors (see below), whose sum is σ = 244134240. Its totient is φ = 69544176.

The previous prime is 139296761. The next prime is 139296821. The reversal of 139296812 is 218692931.

It is a self number, because there is not a number n which added to its sum of digits gives 139296812.

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, 23012 + ... + 28427.

It is an arithmetic number, because the mean of its divisors is an integer number (20344520).

Almost surely, 2^139296812 is an apocalyptic number.

It is an amenable number.

139296812 is a deficient number, since it is larger than the sum of its proper divisors (104837428).

139296812 is a wasteful number, since it uses less digits than its factorization.

139296812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52120 (or 52118 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 139296812 is about 11802.4070426333. The cubic root of 139296812 is about 518.3785935488.

The spelling of 139296812 in words is "one hundred thirty-nine million, two hundred ninety-six thousand, eight hundred twelve".