136668088 has 32 divisors (see below), whose sum is σ = 270990720. Its totient is φ = 64512000.

The previous prime is 136668067. The next prime is 136668089. The reversal of 136668088 is 880866631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136668089) 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, 3448 + ... + 16888.

It is an arithmetic number, because the mean of its divisors is an integer number (8468460).

Almost surely, 2^136668088 is an apocalyptic number.

It is an amenable number.

136668088 is a deficient number, since it is larger than the sum of its proper divisors (134322632).

136668088 is a wasteful number, since it uses less digits than its factorization.

136668088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13519 (or 13515 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 136668088 is about 11690.5127346922. The cubic root of 136668088 is about 515.0970225977.

The spelling of 136668088 in words is "one hundred thirty-six million, six hundred sixty-eight thousand, eighty-eight".