136812313 has 8 divisors (see below), whose sum is σ = 150927840. Its totient is φ = 122976480.

The previous prime is 136812287. The next prime is 136812317. The reversal of 136812313 is 313218631.

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

It is not a de Polignac number, because 136812313 - 2⁵ = 136812281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136812317) 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 7 ways as a sum of consecutive naturals, for example, 68895 + ... + 70852.

It is an arithmetic number, because the mean of its divisors is an integer number (18865980).

Almost surely, 2^136812313 is an apocalyptic number.

It is an amenable number.

136812313 is a deficient number, since it is larger than the sum of its proper divisors (14115527).

136812313 is a wasteful number, since it uses less digits than its factorization.

136812313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139847.

The product of its digits is 2592, while the sum is 28.

The square root of 136812313 is about 11696.6795715707. The cubic root of 136812313 is about 515.2781518136.

The spelling of 136812313 in words is "one hundred thirty-six million, eight hundred twelve thousand, three hundred thirteen".