113306689 has 4 divisors (see below), whose sum is σ = 113631700. Its totient is φ = 112981680.

The previous prime is 113306663. The next prime is 113306723. The reversal of 113306689 is 986603311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 986603311 = 30637 ⋅32203.

It can be written as a sum of positive squares in 2 ways, for example, as 101848464 + 11458225 = 10092^2 + 3385^2 .

It is a cyclic number.

It is not a de Polignac number, because 113306689 - 2¹¹ = 113304641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113306629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161982 + ... + 162679.

It is an arithmetic number, because the mean of its divisors is an integer number (28407925).

Almost surely, 2^113306689 is an apocalyptic number.

It is an amenable number.

113306689 is a deficient number, since it is larger than the sum of its proper divisors (325011).

113306689 is an equidigital number, since it uses as much as digits as its factorization.

113306689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325010.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 113306689 is about 10644.5614752323. The cubic root of 113306689 is about 483.8957966709.

The spelling of 113306689 in words is "one hundred thirteen million, three hundred six thousand, six hundred eighty-nine".