113543040 has 128 divisors (see below), whose sum is σ = 389844000. Its totient is φ = 27942912.

The previous prime is 113543039. The next prime is 113543041. The reversal of 113543040 is 40345311.

It is an interprime number because it is at equal distance from previous prime (113543039) and next prime (113543041).

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 113542998 and 113543016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113543041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22686 + ... + 27234.

Almost surely, 2^113543040 is an apocalyptic number.

113543040 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 113543040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194922000).

113543040 is an abundant number, since it is smaller than the sum of its proper divisors (276300960).

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

113543040 is a wasteful number, since it uses less digits than its factorization.

113543040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4584 (or 4572 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 113543040 is about 10655.6576521583. The cubic root of 113543040 is about 484.2320222606.

Adding to 113543040 its reverse (40345311), we get a palindrome (153888351).

The spelling of 113543040 in words is "one hundred thirteen million, five hundred forty-three thousand, forty".