113444689 has 8 divisors (see below), whose sum is σ = 122088168. Its totient is φ = 105020160.

The previous prime is 113444677. The next prime is 113444719. The reversal of 113444689 is 986444311.

It can be written as a sum of positive squares in 4 ways, for example, as 28804689 + 84640000 = 5367^2 + 9200^2 .

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 113444689 - 2⁵ = 113444657 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (113444609) 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, 53662 + ... + 55735.

It is an arithmetic number, because the mean of its divisors is an integer number (15261021).

Almost surely, 2^113444689 is an apocalyptic number.

It is an amenable number.

113444689 is a deficient number, since it is larger than the sum of its proper divisors (8643479).

113444689 is a wasteful number, since it uses less digits than its factorization.

113444689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109475.

The product of its digits is 82944, while the sum is 40.

The square root of 113444689 is about 10651.0416861451. The cubic root of 113444689 is about 484.0921679197.

The spelling of 113444689 in words is "one hundred thirteen million, four hundred forty-four thousand, six hundred eighty-nine".