113000040 has 48 divisors (see below), whose sum is σ = 367251300. Its totient is φ = 30133248.

The previous prime is 113000033. The next prime is 113000057. The reversal of 113000040 is 40000311.

It can be written as a sum of positive squares in 2 ways, for example, as 103673124 + 9326916 = 10182^2 + 3054^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 112999986 and 113000031.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156585 + ... + 157304.

Almost surely, 2^113000040 is an apocalyptic number.

113000040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113000040 is an abundant number, since it is smaller than the sum of its proper divisors (254251260).

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

113000040 is a wasteful number, since it uses less digits than its factorization.

113000040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313906 (or 313899 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 113000040 is about 10630.1476941762. The cubic root of 113000040 is about 483.4588697564.

Adding to 113000040 its reverse (40000311), we get a palindrome (153000351).

The spelling of 113000040 in words is "one hundred thirteen million, forty", and thus it is an aban number.