136118451 has 32 divisors (see below), whose sum is σ = 220648960. Its totient is φ = 72907776.

The previous prime is 136118447. The next prime is 136118453. The reversal of 136118451 is 154811631.

It is not a de Polignac number, because 136118451 - 2² = 136118447 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 36945 + ... + 40461.

It is an arithmetic number, because the mean of its divisors is an integer number (6895280).

Almost surely, 2^136118451 is an apocalyptic number.

136118451 is a deficient number, since it is larger than the sum of its proper divisors (84530509).

136118451 is a wasteful number, since it uses less digits than its factorization.

136118451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643.

The product of its digits is 2880, while the sum is 30.

The square root of 136118451 is about 11666.9812290926. The cubic root of 136118451 is about 514.4055742567.

The spelling of 136118451 in words is "one hundred thirty-six million, one hundred eighteen thousand, four hundred fifty-one".