136603664 has 20 divisors (see below), whose sum is σ = 264864000. Its totient is φ = 68251680.

The previous prime is 136603661. The next prime is 136603669. The reversal of 136603664 is 466306631.

It is a super-2 number, since 2×136603664² = 37321122036449792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136603661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29849 + ... + 34119.

It is an arithmetic number, because the mean of its divisors is an integer number (13243200).

Almost surely, 2^136603664 is an apocalyptic number.

It is an amenable number.

136603664 is a deficient number, since it is larger than the sum of its proper divisors (128260336).

136603664 is a wasteful number, since it uses less digits than its factorization.

136603664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6278 (or 6272 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 136603664 is about 11687.7570132169. The cubic root of 136603664 is about 515.0160726438.

The spelling of 136603664 in words is "one hundred thirty-six million, six hundred three thousand, six hundred sixty-four".