136735568 has 20 divisors (see below), whose sum is σ = 269417280. Its totient is φ = 67208544.

The previous prime is 136735553. The next prime is 136735579. The reversal of 136735568 is 865537631.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 71480 + ... + 73367.

It is an arithmetic number, because the mean of its divisors is an integer number (13470864).

Almost surely, 2^136735568 is an apocalyptic number.

It is an amenable number.

136735568 is a deficient number, since it is larger than the sum of its proper divisors (132681712).

136735568 is a wasteful number, since it uses less digits than its factorization.

136735568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144914 (or 144908 counting only the distinct ones).

The product of its digits is 453600, while the sum is 44.

The square root of 136735568 is about 11693.3984794841. The cubic root of 136735568 is about 515.1817851989.

The spelling of 136735568 in words is "one hundred thirty-six million, seven hundred thirty-five thousand, five hundred sixty-eight".