136564116121 has 8 divisors (see below), whose sum is σ = 143771731200. Its totient is φ = 129358504080.

The previous prime is 136564116097. The next prime is 136564116131. The reversal of 136564116121 is 121611465631.

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 136564116121 - 2²⁵ = 136530561689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136564116131) 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, 359785 + ... + 634486.

It is an arithmetic number, because the mean of its divisors is an integer number (17971466400).

Almost surely, 2^136564116121 is an apocalyptic number.

It is an amenable number.

136564116121 is a deficient number, since it is larger than the sum of its proper divisors (7207615079).

136564116121 is an equidigital number, since it uses as much as digits as its factorization.

136564116121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001519.

The product of its digits is 25920, while the sum is 37.

The spelling of 136564116121 in words is "one hundred thirty-six billion, five hundred sixty-four million, one hundred sixteen thousand, one hundred twenty-one".