136631345313 has 4 divisors (see below), whose sum is σ = 182175127088. Its totient is φ = 91087563540.

The previous prime is 136631345311. The next prime is 136631345353. The reversal of 136631345313 is 313543136631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 136631345313 - 2¹ = 136631345311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136631345311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22771890883 + ... + 22771890888.

It is an arithmetic number, because the mean of its divisors is an integer number (45543781772).

Almost surely, 2^136631345313 is an apocalyptic number.

It is an amenable number.

136631345313 is a deficient number, since it is larger than the sum of its proper divisors (45543781775).

136631345313 is an equidigital number, since it uses as much as digits as its factorization.

136631345313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45543781774.

The product of its digits is 174960, while the sum is 39.

The spelling of 136631345313 in words is "one hundred thirty-six billion, six hundred thirty-one million, three hundred forty-five thousand, three hundred thirteen".