118129139 has 2 divisors, whose sum is σ = 118129140. Its totient is φ = 118129138.

The previous prime is 118129133. The next prime is 118129153. The reversal of 118129139 is 931921811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118129139 - 2²⁰ = 117080563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118129099 and 118129108.

It is not a weakly prime, because it can be changed into another prime (118129133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59064569 + 59064570.

It is an arithmetic number, because the mean of its divisors is an integer number (59064570).

Almost surely, 2^118129139 is an apocalyptic number.

118129139 is a deficient number, since it is larger than the sum of its proper divisors (1).

118129139 is an equidigital number, since it uses as much as digits as its factorization.

118129139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 35.

The square root of 118129139 is about 10868.7229700641. The cubic root of 118129139 is about 490.6656772311.

The spelling of 118129139 in words is "one hundred eighteen million, one hundred twenty-nine thousand, one hundred thirty-nine".