136156688 has 20 divisors (see below), whose sum is σ = 275274048. Its totient is φ = 65118240.

The previous prime is 136156687. The next prime is 136156693. The reversal of 136156688 is 886651631.

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 not an unprimeable number, because it can be changed into a prime (136156687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184628 + ... + 185363.

Almost surely, 2^136156688 is an apocalyptic number.

It is an amenable number.

136156688 is an abundant number, since it is smaller than the sum of its proper divisors (139117360).

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

136156688 is a wasteful number, since it uses less digits than its factorization.

136156688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370022 (or 370016 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 136156688 is about 11668.6197984166. The cubic root of 136156688 is about 514.4537369276.

The spelling of 136156688 in words is "one hundred thirty-six million, one hundred fifty-six thousand, six hundred eighty-eight".