136118454 has 16 divisors (see below), whose sum is σ = 273063360. Its totient is φ = 45235080.

The previous prime is 136118453. The next prime is 136118471. The reversal of 136118454 is 454811631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136118453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32284 + ... + 36255.

It is an arithmetic number, because the mean of its divisors is an integer number (17066460).

Almost surely, 2^136118454 is an apocalyptic number.

136118454 is an abundant number, since it is smaller than the sum of its proper divisors (136944906).

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

136118454 is a wasteful number, since it uses less digits than its factorization.

136118454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68875.

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

The square root of 136118454 is about 11666.9813576606. The cubic root of 136118454 is about 514.4055780358.

The spelling of 136118454 in words is "one hundred thirty-six million, one hundred eighteen thousand, four hundred fifty-four".