139153117 has 8 divisors (see below), whose sum is σ = 143120736. Its totient is φ = 135218832.

The previous prime is 139153099. The next prime is 139153121. The reversal of 139153117 is 711351931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-139153117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139153187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258 + ... + 16684.

It is an arithmetic number, because the mean of its divisors is an integer number (17890092).

Almost surely, 2^139153117 is an apocalyptic number.

It is an amenable number.

139153117 is a deficient number, since it is larger than the sum of its proper divisors (3967619).

139153117 is a wasteful number, since it uses less digits than its factorization.

139153117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16667.

The product of its digits is 2835, while the sum is 31.

The square root of 139153117 is about 11796.3179424768. The cubic root of 139153117 is about 518.2002835572.

The spelling of 139153117 in words is "one hundred thirty-nine million, one hundred fifty-three thousand, one hundred seventeen".