113432040 has 96 divisors (see below), whose sum is σ = 369982080. Its totient is φ = 30139776.

The previous prime is 113432017. The next prime is 113432063. The reversal of 113432040 is 40234311.

It is an interprime number because it is at equal distance from previous prime (113432017) and next prime (113432063).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174997 + ... + 175643.

It is an arithmetic number, because the mean of its divisors is an integer number (3853980).

Almost surely, 2^113432040 is an apocalyptic number.

113432040 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 113432040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184991040).

113432040 is an abundant number, since it is smaller than the sum of its proper divisors (256550040).

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

113432040 is a wasteful number, since it uses less digits than its factorization.

113432040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 113432040 is about 10650.4478779064. The cubic root of 113432040 is about 484.0741752765.

Adding to 113432040 its reverse (40234311), we get a palindrome (153666351).

The spelling of 113432040 in words is "one hundred thirteen million, four hundred thirty-two thousand, forty".