113138256 has 120 divisors (see below), whose sum is σ = 370985184. Its totient is φ = 29379840.

The previous prime is 113138243. The next prime is 113138257. The reversal of 113138256 is 652831311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113138257) 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, 23686 + ... + 28058.

Almost surely, 2^113138256 is an apocalyptic number.

113138256 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 113138256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185492592).

113138256 is an abundant number, since it is smaller than the sum of its proper divisors (257846928).

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

113138256 is a wasteful number, since it uses less digits than its factorization.

113138256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4409 (or 4396 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 113138256 is about 10636.6468400526. The cubic root of 113138256 is about 483.6559036846.

Adding to 113138256 its reverse (652831311), we get a palindrome (765969567).

The spelling of 113138256 in words is "one hundred thirteen million, one hundred thirty-eight thousand, two hundred fifty-six".