136118689 has 8 divisors (see below), whose sum is σ = 155815808. Its totient is φ = 116484480.

The previous prime is 136118657. The next prime is 136118701. The reversal of 136118689 is 986811631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136118689 - 2⁵ = 136118657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136118629) 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, 10992 + ... + 19825.

It is an arithmetic number, because the mean of its divisors is an integer number (19476976).

Almost surely, 2^136118689 is an apocalyptic number.

It is an amenable number.

136118689 is a deficient number, since it is larger than the sum of its proper divisors (19697119).

136118689 is an equidigital number, since it uses as much as digits as its factorization.

136118689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31455.

The product of its digits is 62208, while the sum is 43.

The square root of 136118689 is about 11666.9914288132. The cubic root of 136118689 is about 514.4058740653.

The spelling of 136118689 in words is "one hundred thirty-six million, one hundred eighteen thousand, six hundred eighty-nine".