113490256 has 90 divisors (see below), whose sum is σ = 253836618. Its totient is φ = 49104000.

The previous prime is 113490229. The next prime is 113490259. The reversal of 113490256 is 652094311.

It can be written as a sum of positive squares in only one way, i.e., 66977856 + 46512400 = 8184^2 + 6820^2 .

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113490259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1860466 + ... + 1860526.

Almost surely, 2^113490256 is an apocalyptic number.

113490256 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 113490256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126918309).

113490256 is an abundant number, since it is smaller than the sum of its proper divisors (140346362).

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

113490256 is a wasteful number, since it uses less digits than its factorization.

113490256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 113490256 is about 10653.1805579367. The cubic root of 113490256 is about 484.1569738771.

The spelling of 113490256 in words is "one hundred thirteen million, four hundred ninety thousand, two hundred fifty-six".