139629008 has 20 divisors (see below), whose sum is σ = 273062880. Its totient is φ = 69161184.

The previous prime is 139629001. The next prime is 139629013. The reversal of 139629008 is 800926931.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139629001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39068 + ... + 42491.

It is an arithmetic number, because the mean of its divisors is an integer number (13653144).

Almost surely, 2^139629008 is an apocalyptic number.

It is an amenable number.

139629008 is a deficient number, since it is larger than the sum of its proper divisors (133433872).

139629008 is a wasteful number, since it uses less digits than its factorization.

139629008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81674 (or 81668 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 139629008 is about 11816.4718930821. The cubic root of 139629008 is about 518.7903440244.

The spelling of 139629008 in words is "one hundred thirty-nine million, six hundred twenty-nine thousand, eight".