113947290 has 128 divisors (see below), whose sum is σ = 323481600. Its totient is φ = 28480320.

The previous prime is 113947271. The next prime is 113947307. The reversal of 113947290 is 92749311.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 366235 + ... + 366545.

It is an arithmetic number, because the mean of its divisors is an integer number (2527200).

Almost surely, 2^113947290 is an apocalyptic number.

113947290 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 113947290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161740800).

113947290 is an abundant number, since it is smaller than the sum of its proper divisors (209534310).

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

113947290 is a wasteful number, since it uses less digits than its factorization.

113947290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 113947290 is about 10674.6095947346. The cubic root of 113947290 is about 484.8060158797.

The spelling of 113947290 in words is "one hundred thirteen million, nine hundred forty-seven thousand, two hundred ninety".