113405832 has 160 divisors (see below), whose sum is σ = 342091200. Its totient is φ = 34992000.

The previous prime is 113405821. The next prime is 113405867. The reversal of 113405832 is 238504311.

It is a happy number.

It is a super-2 number, since 2×113405832² = 25721765463224448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 113405796 and 113405805.

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 39 ways as a sum of consecutive naturals, for example, 750957 + ... + 751107.

It is an arithmetic number, because the mean of its divisors is an integer number (2138070).

Almost surely, 2^113405832 is an apocalyptic number.

113405832 is a gapful number since it is divisible by the number (12) 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 113405832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171045600).

113405832 is an abundant number, since it is smaller than the sum of its proper divisors (228685368).

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

113405832 is a wasteful number, since it uses less digits than its factorization.

113405832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 236 counting only the distinct ones).

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

The square root of 113405832 is about 10649.2174360373. The cubic root of 113405832 is about 484.0368912982.

The spelling of 113405832 in words is "one hundred thirteen million, four hundred five thousand, eight hundred thirty-two".