117045139 has 2 divisors, whose sum is σ = 117045140. Its totient is φ = 117045138.

The previous prime is 117045107. The next prime is 117045143. The reversal of 117045139 is 931540711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117045139 - 2⁵ = 117045107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117045139.

It is not a weakly prime, because it can be changed into another prime (117045169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58522569 + 58522570.

It is an arithmetic number, because the mean of its divisors is an integer number (58522570).

Almost surely, 2^117045139 is an apocalyptic number.

117045139 is a deficient number, since it is larger than the sum of its proper divisors (1).

117045139 is an equidigital number, since it uses as much as digits as its factorization.

117045139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 117045139 is about 10818.7401761943. The cubic root of 117045139 is about 489.1602150371.

The spelling of 117045139 in words is "one hundred seventeen million, forty-five thousand, one hundred thirty-nine".