136636313 has 32 divisors (see below), whose sum is σ = 163537920. Its totient is φ = 112896000.

The previous prime is 136636309. The next prime is 136636321. The reversal of 136636313 is 313636631.

It is a cyclic number.

It is not a de Polignac number, because 136636313 - 2² = 136636309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 136636313.

It is not an unprimeable number, because it can be changed into a prime (136636613) 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 31 ways as a sum of consecutive naturals, for example, 405281 + ... + 405617.

It is an arithmetic number, because the mean of its divisors is an integer number (5110560).

Almost surely, 2^136636313 is an apocalyptic number.

It is an amenable number.

136636313 is a deficient number, since it is larger than the sum of its proper divisors (26901607).

136636313 is a wasteful number, since it uses less digits than its factorization.

136636313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449.

The product of its digits is 17496, while the sum is 32.

The square root of 136636313 is about 11689.1536477198. The cubic root of 136636313 is about 515.0570998995.

The spelling of 136636313 in words is "one hundred thirty-six million, six hundred thirty-six thousand, three hundred thirteen".