139362812 has 12 divisors (see below), whose sum is σ = 244907040. Its totient is φ = 69389376.

The previous prime is 139362809. The next prime is 139362823. The reversal of 139362812 is 218263931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71933 + ... + 73844.

It is an arithmetic number, because the mean of its divisors is an integer number (20408920).

Almost surely, 2^139362812 is an apocalyptic number.

It is an amenable number.

139362812 is a deficient number, since it is larger than the sum of its proper divisors (105544228).

139362812 is a wasteful number, since it uses less digits than its factorization.

139362812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146020 (or 146018 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 139362812 is about 11805.2027513296. The cubic root of 139362812 is about 518.4604513330.

The spelling of 139362812 in words is "one hundred thirty-nine million, three hundred sixty-two thousand, eight hundred twelve".