113143040 has 72 divisors (see below), whose sum is σ = 278454120. Its totient is φ = 44015616.

The previous prime is 113143039. The next prime is 113143057. The reversal of 113143040 is 40341311.

It can be written as a sum of positive squares in 4 ways, for example, as 17572864 + 95570176 = 4192^2 + 9776^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46166 + ... + 48554.

Almost surely, 2^113143040 is an apocalyptic number.

113143040 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 113143040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139227060).

113143040 is an abundant number, since it is smaller than the sum of its proper divisors (165311080).

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

113143040 is an equidigital number, since it uses as much as digits as its factorization.

113143040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447 (or 2433 counting only the distinct ones).

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

The square root of 113143040 is about 10636.8717205765. The cubic root of 113143040 is about 483.6627206456.

Adding to 113143040 its reverse (40341311), we get a palindrome (153484351).

The spelling of 113143040 in words is "one hundred thirteen million, one hundred forty-three thousand, forty".