118539719 has 2 divisors, whose sum is σ = 118539720. Its totient is φ = 118539718.

The previous prime is 118539703. The next prime is 118539731. The reversal of 118539719 is 917935811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118539719 - 2⁴ = 118539703 is a prime.

It is a super-2 number, since 2×118539719² = 28103329961197922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118539719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118539739) 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, 59269859 + 59269860.

It is an arithmetic number, because the mean of its divisors is an integer number (59269860).

Almost surely, 2^118539719 is an apocalyptic number.

118539719 is a deficient number, since it is larger than the sum of its proper divisors (1).

118539719 is an equidigital number, since it uses as much as digits as its factorization.

118539719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 44.

The square root of 118539719 is about 10887.5947297831. The cubic root of 118539719 is about 491.2334867881.

It can be divided in two parts, 1185 and 39719, that added together give a palindrome (40904).

The spelling of 118539719 in words is "one hundred eighteen million, five hundred thirty-nine thousand, seven hundred nineteen".