113119989 has 32 divisors (see below), whose sum is σ = 165517056. Its totient is φ = 68428800.

The previous prime is 113119987. The next prime is 113120011. The reversal of 113119989 is 989911311.

It is a happy number.

It is not a de Polignac number, because 113119989 - 2¹ = 113119987 is a prime.

It is a super-2 number, since 2×113119989² = 25592263822720242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113119989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113119987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284739 + ... + 285135.

It is an arithmetic number, because the mean of its divisors is an integer number (5172408).

Almost surely, 2^113119989 is an apocalyptic number.

It is an amenable number.

113119989 is a deficient number, since it is larger than the sum of its proper divisors (52397067).

113119989 is a wasteful number, since it uses less digits than its factorization.

113119989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605.

The product of its digits is 17496, while the sum is 42.

The square root of 113119989 is about 10635.7881231247. The cubic root of 113119989 is about 483.6298723544.

The spelling of 113119989 in words is "one hundred thirteen million, one hundred nineteen thousand, nine hundred eighty-nine".