118339455 has 32 divisors (see below), whose sum is σ = 205309440. Its totient is φ = 57859200.

The previous prime is 118339453. The next prime is 118339469. The reversal of 118339455 is 554933811.

It is not a de Polignac number, because 118339455 - 2¹ = 118339453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118339453) 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 in 31 ways as a sum of consecutive naturals, for example, 27436 + ... + 31454.

It is an arithmetic number, because the mean of its divisors is an integer number (6415920).

Almost surely, 2^118339455 is an apocalyptic number.

118339455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

118339455 is a deficient number, since it is larger than the sum of its proper divisors (86969985).

118339455 is a wasteful number, since it uses less digits than its factorization.

118339455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191.

The product of its digits is 64800, while the sum is 39.

The square root of 118339455 is about 10878.3939531532. The cubic root of 118339455 is about 490.9566967644.

The spelling of 118339455 in words is "one hundred eighteen million, three hundred thirty-nine thousand, four hundred fifty-five".