136038656 has 72 divisors (see below), whose sum is σ = 299867064. Its totient is φ = 61194240.

The previous prime is 136038631. The next prime is 136038667. The reversal of 136038656 is 656830631.

It can be written as a sum of positive squares in 4 ways, for example, as 1849600 + 134189056 = 1360^2 + 11584^2 .

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, 135950 + ... + 136946.

Almost surely, 2^136038656 is an apocalyptic number.

136038656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136038656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149933532).

136038656 is an abundant number, since it is smaller than the sum of its proper divisors (163828408).

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

136038656 is an equidigital number, since it uses as much as digits as its factorization.

136038656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 136038656 is about 11663.5610342639. The cubic root of 136038656 is about 514.3050367814.

The spelling of 136038656 in words is "one hundred thirty-six million, thirty-eight thousand, six hundred fifty-six".