113689000 has 64 divisors (see below), whose sum is σ = 277655040. Its totient is φ = 43489600.

The previous prime is 113688923. The next prime is 113689007. The reversal of 113689000 is 986311.

It is a happy number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 113689000.

It is not an unprimeable number, because it can be changed into a prime (113689007) 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, 20529 + ... + 25471.

It is an arithmetic number, because the mean of its divisors is an integer number (4338360).

Almost surely, 2^113689000 is an apocalyptic number.

113689000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113689000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138827520).

113689000 is an abundant number, since it is smaller than the sum of its proper divisors (163966040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113689000 is a wasteful number, since it uses less digits than its factorization.

113689000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4987 (or 4973 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 113689000 is about 10662.5043962476. The cubic root of 113689000 is about 484.4394274342.

The spelling of 113689000 in words is "one hundred thirteen million, six hundred eighty-nine thousand".