113415440 has 20 divisors (see below), whose sum is σ = 263691084. Its totient is φ = 45366144.

The previous prime is 113415439. The next prime is 113415451. The reversal of 113415440 is 44514311.

It can be written as a sum of positive squares in 2 ways, for example, as 66520336 + 46895104 = 8156^2 + 6848^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708767 + ... + 708926.

Almost surely, 2^113415440 is an apocalyptic number.

113415440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113415440 is an abundant number, since it is smaller than the sum of its proper divisors (150275644).

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

113415440 is a wasteful number, since it uses less digits than its factorization.

113415440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417706 (or 1417700 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 113415440 is about 10649.6685394429. The cubic root of 113415440 is about 484.0505604809.

Adding to 113415440 its reverse (44514311), we get a palindrome (157929751).

The spelling of 113415440 in words is "one hundred thirteen million, four hundred fifteen thousand, four hundred forty".