113912289 has 12 divisors (see below), whose sum is σ = 168367056. Its totient is φ = 74175192.

The previous prime is 113912287. The next prime is 113912297. The reversal of 113912289 is 982219311.

It is not a de Polignac number, because 113912289 - 2¹ = 113912287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113912287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146787 + ... + 147560.

It is an arithmetic number, because the mean of its divisors is an integer number (14030588).

Almost surely, 2^113912289 is an apocalyptic number.

It is an amenable number.

113912289 is a deficient number, since it is larger than the sum of its proper divisors (54454767).

113912289 is a wasteful number, since it uses less digits than its factorization.

113912289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294396 (or 294393 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 113912289 is about 10672.9700177598. The cubic root of 113912289 is about 484.7563717765.

The spelling of 113912289 in words is "one hundred thirteen million, nine hundred twelve thousand, two hundred eighty-nine".