113689306 has 4 divisors (see below), whose sum is σ = 170533962. Its totient is φ = 56844652.

The previous prime is 113689249. The next prime is 113689339. The reversal of 113689306 is 603986311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 603986311 = 97 ⋅6226663.

It can be written as a sum of positive squares in only one way, i.e., 80730225 + 32959081 = 8985^2 + 5741^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28422325 + ... + 28422328.

Almost surely, 2^113689306 is an apocalyptic number.

113689306 is a deficient number, since it is larger than the sum of its proper divisors (56844656).

113689306 is an equidigital number, since it uses as much as digits as its factorization.

113689306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56844655.

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

The square root of 113689306 is about 10662.5187455873. The cubic root of 113689306 is about 484.4398620653.

The spelling of 113689306 in words is "one hundred thirteen million, six hundred eighty-nine thousand, three hundred six".