136602864 has 120 divisors (see below), whose sum is σ = 401117184. Its totient is φ = 43344000.

The previous prime is 136602863. The next prime is 136602899. The reversal of 136602864 is 468206631.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136602863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 316729 + ... + 317159.

Almost surely, 2^136602864 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 136602864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200558592).

136602864 is an abundant number, since it is smaller than the sum of its proper divisors (264514320).

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

136602864 is a wasteful number, since it uses less digits than its factorization.

136602864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 136602864 is about 11687.7227893204. The cubic root of 136602864 is about 515.0150672690.

The spelling of 136602864 in words is "one hundred thirty-six million, six hundred two thousand, eight hundred sixty-four".