113209356 has 48 divisors (see below), whose sum is σ = 285807200. Its totient is φ = 34670592.

The previous prime is 113209337. The next prime is 113209363. The reversal of 113209356 is 653902311.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34140 + ... + 37308.

Almost surely, 2^113209356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113209356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142903600).

113209356 is an abundant number, since it is smaller than the sum of its proper divisors (172597844).

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

113209356 is a wasteful number, since it uses less digits than its factorization.

113209356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3418 (or 3416 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 113209356 is about 10639.9885338284. The cubic root of 113209356 is about 483.7571978444.

The spelling of 113209356 in words is "one hundred thirteen million, two hundred nine thousand, three hundred fifty-six".