136526864 has 40 divisors (see below), whose sum is σ = 282758688. Its totient is φ = 63633920.

The previous prime is 136526857. The next prime is 136526879. The reversal of 136526864 is 468625631.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26759 + ... + 31449.

Almost surely, 2^136526864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136526864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141379344).

136526864 is an abundant number, since it is smaller than the sum of its proper divisors (146231824).

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

136526864 is a wasteful number, since it uses less digits than its factorization.

136526864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823 (or 4817 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 136526864 is about 11684.4710620550. The cubic root of 136526864 is about 514.9195387541.

The spelling of 136526864 in words is "one hundred thirty-six million, five hundred twenty-six thousand, eight hundred sixty-four".