113181952 has 72 divisors (see below), whose sum is σ = 247242240. Its totient is φ = 51394560.

The previous prime is 113181947. The next prime is 113181967. The reversal of 113181952 is 259181311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236049 + ... + 236527.

It is an arithmetic number, because the mean of its divisors is an integer number (3433920).

Almost surely, 2^113181952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113181952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123621120).

113181952 is an abundant number, since it is smaller than the sum of its proper divisors (134060288).

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

113181952 is an equidigital number, since it uses as much as digits as its factorization.

113181952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 565 counting only the distinct ones).

The product of its digits is 2160, while the sum is 31.

The square root of 113181952 is about 10638.7006725446. The cubic root of 113181952 is about 483.7181611648.

The spelling of 113181952 in words is "one hundred thirteen million, one hundred eighty-one thousand, nine hundred fifty-two".