113328409 has 8 divisors (see below), whose sum is σ = 120761928. Its totient is φ = 105980160.

The previous prime is 113328403. The next prime is 113328419. The reversal of 113328409 is 904823311.

It can be written as a sum of positive squares in 4 ways, for example, as 58568409 + 54760000 = 7653^2 + 7400^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113328409 - 2¹³ = 113320217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113328403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18562 + ... + 23899.

It is an arithmetic number, because the mean of its divisors is an integer number (15095241).

Almost surely, 2^113328409 is an apocalyptic number.

It is an amenable number.

113328409 is a deficient number, since it is larger than the sum of its proper divisors (7433519).

113328409 is a wasteful number, since it uses less digits than its factorization.

113328409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42635.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 113328409 is about 10645.5816656489. The cubic root of 113328409 is about 483.9267143666.

The spelling of 113328409 in words is "one hundred thirteen million, three hundred twenty-eight thousand, four hundred nine".