113260290 has 128 divisors (see below), whose sum is σ = 338349312. Its totient is φ = 23838720.

The previous prime is 113260261. The next prime is 113260297. The reversal of 113260290 is 92062311.

It is a self number, because there is not a number n which added to its sum of digits gives 113260290.

It is not an unprimeable number, because it can be changed into a prime (113260297) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72154 + ... + 73706.

It is an arithmetic number, because the mean of its divisors is an integer number (2643354).

Almost surely, 2^113260290 is an apocalyptic number.

113260290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 113260290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169174656).

113260290 is an abundant number, since it is smaller than the sum of its proper divisors (225089022).

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

113260290 is a wasteful number, since it uses less digits than its factorization.

113260290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 113260290 is about 10642.3817822892. The cubic root of 113260290 is about 483.8297360035.

The spelling of 113260290 in words is "one hundred thirteen million, two hundred sixty thousand, two hundred ninety".