139608117 has 48 divisors (see below), whose sum is σ = 236134080. Its totient is φ = 81648000.

The previous prime is 139608109. The next prime is 139608127. The reversal of 139608117 is 711806931.

139608117 is a `hidden beast` number, since 1 + 39 + 608 + 1 + 17 = 666.

It is not a de Polignac number, because 139608117 - 2³ = 139608109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139608127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76617 + ... + 78417.

It is an arithmetic number, because the mean of its divisors is an integer number (4919460).

Almost surely, 2^139608117 is an apocalyptic number.

It is an amenable number.

139608117 is a deficient number, since it is larger than the sum of its proper divisors (96525963).

139608117 is a wasteful number, since it uses less digits than its factorization.

139608117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856 (or 1844 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 139608117 is about 11815.5878821157. The cubic root of 139608117 is about 518.7644692921.

The spelling of 139608117 in words is "one hundred thirty-nine million, six hundred eight thousand, one hundred seventeen".