117139 has 8 divisors (see below), whose sum is σ = 133632. Its totient is φ = 101640.

The previous prime is 117133. The next prime is 117163. The reversal of 117139 is 931711.

117139 = T₉₂ + T₉₃ + ... + T₁₁₃.

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

It is not a de Polignac number, because 117139 - 2¹³ = 108947 is a prime.

It is a Duffinian number.

117139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (117133) 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, 22 + ... + 484.

It is an arithmetic number, because the mean of its divisors is an integer number (16704).

2¹¹⁷¹³⁹ is an apocalyptic number.

117139 is a deficient number, since it is larger than the sum of its proper divisors (16493).

117139 is a wasteful number, since it uses less digits than its factorization.

117139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497.

The product of its digits is 189, while the sum is 22.

The square root of 117139 is about 342.2557523257. The cubic root of 117139 is about 48.9290936113.

It can be divided in two parts, 117 and 139, that added together give a 8-th power (256 = 2⁸).

The spelling of 117139 in words is "one hundred seventeen thousand, one hundred thirty-nine".