113143620 has 48 divisors (see below), whose sum is σ = 318846528. Its totient is φ = 29976960.

The previous prime is 113143579. The next prime is 113143627. The reversal of 113143620 is 26341311.

It is not an unprimeable number, because it can be changed into a prime (113143627) 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, 3415 + ... + 15425.

It is an arithmetic number, because the mean of its divisors is an integer number (6642636).

Almost surely, 2^113143620 is an apocalyptic number.

113143620 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 113143620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159423264).

113143620 is an abundant number, since it is smaller than the sum of its proper divisors (205702908).

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

113143620 is a wasteful number, since it uses less digits than its factorization.

113143620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12180 (or 12178 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 113143620 is about 10636.8989841965. The cubic root of 113143620 is about 483.6635471036.

Adding to 113143620 its reverse (26341311), we get a palindrome (139484931).

The spelling of 113143620 in words is "one hundred thirteen million, one hundred forty-three thousand, six hundred twenty".