113233140 has 144 divisors (see below), whose sum is σ = 372048768. Its totient is φ = 28854144.

The previous prime is 113233123. The next prime is 113233151. The reversal of 113233140 is 41332311.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111274 + ... + 112286.

It is an arithmetic number, because the mean of its divisors is an integer number (2583672).

Almost surely, 2^113233140 is an apocalyptic number.

113233140 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 113233140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186024384).

113233140 is an abundant number, since it is smaller than the sum of its proper divisors (258815628).

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

113233140 is a wasteful number, since it uses less digits than its factorization.

113233140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1046 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 113233140 is about 10641.1061455095. The cubic root of 113233140 is about 483.7910727701.

Adding to 113233140 its reverse (41332311), we get a palindrome (154565451).

The spelling of 113233140 in words is "one hundred thirteen million, two hundred thirty-three thousand, one hundred forty".