136604717 has 4 divisors (see below), whose sum is σ = 137509536. Its totient is φ = 135699900.

The previous prime is 136604651. The next prime is 136604719. The reversal of 136604717 is 717406631.

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 a cyclic number.

It is not a de Polignac number, because 136604717 - 2¹⁶ = 136539181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136604719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452183 + ... + 452484.

It is an arithmetic number, because the mean of its divisors is an integer number (34377384).

Almost surely, 2^136604717 is an apocalyptic number.

It is an amenable number.

136604717 is a deficient number, since it is larger than the sum of its proper divisors (904819).

136604717 is an equidigital number, since it uses as much as digits as its factorization.

136604717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904818.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 136604717 is about 11687.8020602678. The cubic root of 136604717 is about 515.0173959625.

The spelling of 136604717 in words is "one hundred thirty-six million, six hundred four thousand, seven hundred seventeen".