136664696 has 32 divisors (see below), whose sum is σ = 293436000. Its totient is φ = 58454016.

The previous prime is 136664641. The next prime is 136664699. The reversal of 136664696 is 696466631.

It is a self number, because there is not a number n which added to its sum of digits gives 136664696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136664699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29720 + ... + 34008.

It is an arithmetic number, because the mean of its divisors is an integer number (9169875).

Almost surely, 2^136664696 is an apocalyptic number.

It is an amenable number.

136664696 is an abundant number, since it is smaller than the sum of its proper divisors (156771304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136664696 is a wasteful number, since it uses less digits than its factorization.

136664696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4871 (or 4867 counting only the distinct ones).

The product of its digits is 839808, while the sum is 47.

The square root of 136664696 is about 11690.3676588891. The cubic root of 136664696 is about 515.0927611211.

The spelling of 136664696 in words is "one hundred thirty-six million, six hundred sixty-four thousand, six hundred ninety-six".