113689389 has 16 divisors (see below), whose sum is σ = 167698944. Its totient is φ = 67930800.

The previous prime is 113689379. The next prime is 113689409. The reversal of 113689389 is 983986311.

It is not a de Polignac number, because 113689389 - 2⁵ = 113689357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113689339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21919 + ... + 26604.

It is an arithmetic number, because the mean of its divisors is an integer number (10481184).

Almost surely, 2^113689389 is an apocalyptic number.

It is an amenable number.

113689389 is a deficient number, since it is larger than the sum of its proper divisors (54009555).

113689389 is a wasteful number, since it uses less digits than its factorization.

113689389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48608.

The product of its digits is 279936, while the sum is 48.

The square root of 113689389 is about 10662.5226377251. The cubic root of 113689389 is about 484.4399799553.

It can be divided in two parts, 1136 and 89389, that added together give a triangular number (90525 = T₄₂₅).

The spelling of 113689389 in words is "one hundred thirteen million, six hundred eighty-nine thousand, three hundred eighty-nine".