136563328 has 64 divisors (see below), whose sum is σ = 309769920. Its totient is φ = 59361280.

The previous prime is 136563319. The next prime is 136563359. The reversal of 136563328 is 823365631.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

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, 30276 + ... + 34492.

It is an arithmetic number, because the mean of its divisors is an integer number (4840155).

Almost surely, 2^136563328 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 136563328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154884960).

136563328 is an abundant number, since it is smaller than the sum of its proper divisors (173206592).

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

136563328 is a wasteful number, since it uses less digits than its factorization.

136563328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4265 (or 4253 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 136563328 is about 11686.0313194857. The cubic root of 136563328 is about 514.9653767530.

The spelling of 136563328 in words is "one hundred thirty-six million, five hundred sixty-three thousand, three hundred twenty-eight".