113003440 has 40 divisors (see below), whose sum is σ = 286620048. Its totient is φ = 41091840.

The previous prime is 113003413. The next prime is 113003447. The reversal of 113003440 is 44300311.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (113003447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63327 + ... + 65086.

Almost surely, 2^113003440 is an apocalyptic number.

113003440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113003440 is an abundant number, since it is smaller than the sum of its proper divisors (173616608).

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

113003440 is a wasteful number, since it uses less digits than its factorization.

113003440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128437 (or 128431 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 113003440 is about 10630.3076154926. The cubic root of 113003440 is about 483.4637185561.

Adding to 113003440 its reverse (44300311), we get a palindrome (157303751).

The spelling of 113003440 in words is "one hundred thirteen million, three thousand, four hundred forty".