136000256 has 72 divisors (see below), whose sum is σ = 321071520. Its totient is φ = 56254464.

The previous prime is 136000253. The next prime is 136000297. The reversal of 136000256 is 652000631.

It is not an unprimeable number, because it can be changed into a prime (136000253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50660 + ... + 53276.

Almost surely, 2^136000256 is an apocalyptic number.

136000256 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 136000256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160535760).

136000256 is an abundant number, since it is smaller than the sum of its proper divisors (185071264).

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

136000256 is an equidigital number, since it uses as much as digits as its factorization.

136000256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669 (or 2655 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 136000256 is about 11661.9147655949. The cubic root of 136000256 is about 514.2566408021.

Adding to 136000256 its reverse (652000631), we get a palindrome (788000887).

The spelling of 136000256 in words is "one hundred thirty-six million, two hundred fifty-six", and thus it is an aban number.