113232140 has 72 divisors (see below), whose sum is σ = 278374320. Its totient is φ = 38575488.

The previous prime is 113232137. The next prime is 113232167. The reversal of 113232140 is 41232311.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222206 + ... + 222714.

It is an arithmetic number, because the mean of its divisors is an integer number (3866310).

Almost surely, 2^113232140 is an apocalyptic number.

113232140 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 113232140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139187160).

113232140 is an abundant number, since it is smaller than the sum of its proper divisors (165142180).

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

113232140 is a wasteful number, since it uses less digits than its factorization.

113232140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 113232140 is about 10641.0591578094. The cubic root of 113232140 is about 483.7896485919.

Adding to 113232140 its reverse (41232311), we get a palindrome (154464451).

The spelling of 113232140 in words is "one hundred thirteen million, two hundred thirty-two thousand, one hundred forty".