113144140 has 12 divisors (see below), whose sum is σ = 237602736. Its totient is φ = 45257648.

The previous prime is 113144093. The next prime is 113144147. The reversal of 113144140 is 41441311.

It is not an unprimeable number, because it can be changed into a prime (113144147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2828584 + ... + 2828623.

It is an arithmetic number, because the mean of its divisors is an integer number (19800228).

Almost surely, 2^113144140 is an apocalyptic number.

113144140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113144140 is an abundant number, since it is smaller than the sum of its proper divisors (124458596).

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

113144140 is a wasteful number, since it uses less digits than its factorization.

113144140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5657216 (or 5657214 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 113144140 is about 10636.9234273826. The cubic root of 113144140 is about 483.6642880635.

Adding to 113144140 its reverse (41441311), we get a palindrome (154585451).

The spelling of 113144140 in words is "one hundred thirteen million, one hundred forty-four thousand, one hundred forty".