113243789 has 16 divisors (see below), whose sum is σ = 120742272. Its totient is φ = 105988608.

The previous prime is 113243777. The next prime is 113243803. The reversal of 113243789 is 987342311.

It is a cyclic number.

It is not a de Polignac number, because 113243789 - 2⁴ = 113243773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113243729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261317 + ... + 261749.

It is an arithmetic number, because the mean of its divisors is an integer number (7546392).

Almost surely, 2^113243789 is an apocalyptic number.

It is an amenable number.

113243789 is a deficient number, since it is larger than the sum of its proper divisors (7498483).

113243789 is a wasteful number, since it uses less digits than its factorization.

113243789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676.

The product of its digits is 36288, while the sum is 38.

The square root of 113243789 is about 10641.6065046590. The cubic root of 113243789 is about 483.8062383233.

The spelling of 113243789 in words is "one hundred thirteen million, two hundred forty-three thousand, seven hundred eighty-nine".