136813161 has 16 divisors (see below), whose sum is σ = 198370944. Its totient is φ = 83522304.

The previous prime is 136813147. The next prime is 136813189. The reversal of 136813161 is 161318631.

It is not a de Polignac number, because 136813161 - 2⁹ = 136812649 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136813111) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 34365 + ... + 38138.

It is an arithmetic number, because the mean of its divisors is an integer number (12398184).

Almost surely, 2^136813161 is an apocalyptic number.

It is an amenable number.

136813161 is a deficient number, since it is larger than the sum of its proper divisors (61557783).

136813161 is a wasteful number, since it uses less digits than its factorization.

136813161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72560.

The product of its digits is 2592, while the sum is 30.

The square root of 136813161 is about 11696.7158211183. The cubic root of 136813161 is about 515.2792164228.

The spelling of 136813161 in words is "one hundred thirty-six million, eight hundred thirteen thousand, one hundred sixty-one".