113561329 has 8 divisors (see below), whose sum is σ = 130352960. Its totient is φ = 96911856.

The previous prime is 113561297. The next prime is 113561387. The reversal of 113561329 is 923165311.

It is a happy number.

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 113561329 - 2⁵ = 113561297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113561329.

It is not an unprimeable number, because it can be changed into a prime (113561389) 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, 33819 + ... + 37024.

It is an arithmetic number, because the mean of its divisors is an integer number (16294120).

Almost surely, 2^113561329 is an apocalyptic number.

It is an amenable number.

113561329 is a deficient number, since it is larger than the sum of its proper divisors (16791631).

113561329 is an equidigital number, since it uses as much as digits as its factorization.

113561329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71079.

The product of its digits is 4860, while the sum is 31.

The square root of 113561329 is about 10656.5158002041. The cubic root of 113561329 is about 484.2580201671.

The spelling of 113561329 in words is "one hundred thirteen million, five hundred sixty-one thousand, three hundred twenty-nine".