118136454 has 16 divisors (see below), whose sum is σ = 236382192. Its totient is φ = 39360608.

The previous prime is 118136429. The next prime is 118136483. The reversal of 118136454 is 454631811.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 18412 + ... + 23984.

It is an arithmetic number, because the mean of its divisors is an integer number (14773887).

Almost surely, 2^118136454 is an apocalyptic number.

118136454 is an abundant number, since it is smaller than the sum of its proper divisors (118245738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118136454 is a wasteful number, since it uses less digits than its factorization.

118136454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9111.

The product of its digits is 11520, while the sum is 33.

The square root of 118136454 is about 10869.0594809303. The cubic root of 118136454 is about 490.6758049759.

The spelling of 118136454 in words is "one hundred eighteen million, one hundred thirty-six thousand, four hundred fifty-four".