136838256 has 20 divisors (see below), whose sum is σ = 353498952. Its totient is φ = 45612736.

The previous prime is 136838249. The next prime is 136838257. The reversal of 136838256 is 652838631.

136838256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136838257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1425351 + ... + 1425446.

Almost surely, 2^136838256 is an apocalyptic number.

136838256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136838256 is an abundant number, since it is smaller than the sum of its proper divisors (216660696).

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

136838256 is a wasteful number, since it uses less digits than its factorization.

136838256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850808 (or 2850802 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 136838256 is about 11697.7885089448. The cubic root of 136838256 is about 515.3107195845.

The spelling of 136838256 in words is "one hundred thirty-six million, eight hundred thirty-eight thousand, two hundred fifty-six".