113613500 has 192 divisors, whose sum is σ = 334623744. Its totient is φ = 32544000.

The previous prime is 113613473. The next prime is 113613547. The reversal of 113613500 is 5316311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 500387 + ... + 500613.

It is an arithmetic number, because the mean of its divisors is an integer number (1742832).

Almost surely, 2^113613500 is an apocalyptic number.

113613500 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 113613500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167311872).

113613500 is an abundant number, since it is smaller than the sum of its proper divisors (221010244).

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

113613500 is a wasteful number, since it uses less digits than its factorization.

113613500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 113613500 is about 10658.9633642301. The cubic root of 113613500 is about 484.3321661741.

Adding to 113613500 its reverse (5316311), we get a palindrome (118929811).

The spelling of 113613500 in words is "one hundred thirteen million, six hundred thirteen thousand, five hundred".