139993117 has 16 divisors (see below), whose sum is σ = 158515200. Its totient is φ = 122482800.

The previous prime is 139993081. The next prime is 139993177. The reversal of 139993117 is 711399931.

It is a happy number.

It is not a de Polignac number, because 139993117 - 2¹⁵ = 139960349 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 (139993177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66828 + ... + 68890.

It is an arithmetic number, because the mean of its divisors is an integer number (9907200).

Almost surely, 2^139993117 is an apocalyptic number.

It is an amenable number.

139993117 is a deficient number, since it is larger than the sum of its proper divisors (18522083).

139993117 is a wasteful number, since it uses less digits than its factorization.

139993117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304.

The product of its digits is 45927, while the sum is 43.

The square root of 139993117 is about 11831.8687027874. The cubic root of 139993117 is about 519.2409005369.

The spelling of 139993117 in words is "one hundred thirty-nine million, nine hundred ninety-three thousand, one hundred seventeen".