136674613 has 2 divisors, whose sum is σ = 136674614. Its totient is φ = 136674612.

The previous prime is 136674589. The next prime is 136674647. The reversal of 136674613 is 316476631.

It is a happy number.

136674613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80694289 + 55980324 = 8983^2 + 7482^2 .

It is an emirp because it is prime and its reverse (316476631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136674613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136674653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68337306 + 68337307.

It is an arithmetic number, because the mean of its divisors is an integer number (68337307).

Almost surely, 2^136674613 is an apocalyptic number.

It is an amenable number.

136674613 is a deficient number, since it is larger than the sum of its proper divisors (1).

136674613 is an equidigital number, since it uses as much as digits as its factorization.

136674613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 136674613 is about 11690.7918038087. The cubic root of 136674613 is about 515.1052199626.

The spelling of 136674613 in words is "one hundred thirty-six million, six hundred seventy-four thousand, six hundred thirteen".