136748313 has 12 divisors (see below), whose sum is σ = 212719780. Its totient is φ = 84152736.

The previous prime is 136748309. The next prime is 136748327. The reversal of 136748313 is 313847631.

It can be written as a sum of positive squares in 2 ways, for example, as 37785609 + 98962704 = 6147^2 + 9948^2 .

It is not a de Polignac number, because 136748313 - 2² = 136748309 is a prime.

It is a super-2 number, since 2×136748313² = 37400202216691938, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136748383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 584278 + ... + 584511.

Almost surely, 2^136748313 is an apocalyptic number.

136748313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

136748313 is a deficient number, since it is larger than the sum of its proper divisors (75971467).

136748313 is a wasteful number, since it uses less digits than its factorization.

136748313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168808 (or 1168805 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 136748313 is about 11693.9434323927. The cubic root of 136748313 is about 515.1977912461.

The spelling of 136748313 in words is "one hundred thirty-six million, seven hundred forty-eight thousand, three hundred thirteen".