113500 has 24 divisors (see below), whose sum is σ = 248976. Its totient is φ = 45200.

The previous prime is 113497. The next prime is 113501. The reversal of 113500 is 5311.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387 + ... + 613.

It is an arithmetic number, because the mean of its divisors is an integer number (10374).

2¹¹³⁵⁰⁰ is an apocalyptic number.

113500 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 113500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124488).

113500 is an abundant number, since it is smaller than the sum of its proper divisors (135476).

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

113500 is a wasteful number, since it uses less digits than its factorization.

113500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 113500 is about 336.8976105585. The cubic root of 113500 is about 48.4170829664.

Adding to 113500 its reverse (5311), we get a palindrome (118811).

The spelling of 113500 in words is "one hundred thirteen thousand, five hundred".