113132440 has 16 divisors (see below), whose sum is σ = 254548080. Its totient is φ = 45252960.

The previous prime is 113132413. The next prime is 113132483. The reversal of 113132440 is 44231311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414116 + ... + 1414195.

It is an arithmetic number, because the mean of its divisors is an integer number (15909255).

Almost surely, 2^113132440 is an apocalyptic number.

113132440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113132440 is an abundant number, since it is smaller than the sum of its proper divisors (141415640).

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

113132440 is a wasteful number, since it uses less digits than its factorization.

113132440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828322 (or 2828318 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 113132440 is about 10636.3734421089. The cubic root of 113132440 is about 483.6476159164.

Adding to 113132440 its reverse (44231311), we get a palindrome (157363751).

The spelling of 113132440 in words is "one hundred thirteen million, one hundred thirty-two thousand, four hundred forty".