113843520 has 168 divisors, whose sum is σ = 447592704. Its totient is φ = 26016768.

The previous prime is 113843467. The next prime is 113843591. The reversal of 113843520 is 25348311.

It is a happy number.

113843520 is a `hidden beast` number, since 1 + 138 + 4 + 3 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

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 23 ways as a sum of consecutive naturals, for example, 17337 + ... + 22983.

Almost surely, 2^113843520 is an apocalyptic number.

113843520 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 113843520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223796352).

113843520 is an abundant number, since it is smaller than the sum of its proper divisors (333749184).

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

113843520 is a wasteful number, since it uses less digits than its factorization.

113843520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677 (or 5664 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 113843520 is about 10669.7478883055. The cubic root of 113843520 is about 484.6588027847.

The spelling of 113843520 in words is "one hundred thirteen million, eight hundred forty-three thousand, five hundred twenty".