139679156 has 12 divisors (see below), whose sum is σ = 246080100. Its totient is φ = 69370560.

The previous prime is 139679153. The next prime is 139679173. The reversal of 139679156 is 651976931.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 59290000 + 80389156 = 7700^2 + 8966^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 139679156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139679153) by changing a digit.

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, 116585 + ... + 117776.

It is an arithmetic number, because the mean of its divisors is an integer number (20506675).

Almost surely, 2^139679156 is an apocalyptic number.

It is an amenable number.

139679156 is a deficient number, since it is larger than the sum of its proper divisors (106400944).

139679156 is a wasteful number, since it uses less digits than its factorization.

139679156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234514 (or 234512 counting only the distinct ones).

The product of its digits is 306180, while the sum is 47.

The square root of 139679156 is about 11818.5936557612. The cubic root of 139679156 is about 518.8524447406.

The spelling of 139679156 in words is "one hundred thirty-nine million, six hundred seventy-nine thousand, one hundred fifty-six".