113004540 has 72 divisors (see below), whose sum is σ = 373948848. Its totient is φ = 27394560.

The previous prime is 113004509. The next prime is 113004547. The reversal of 113004540 is 45400311.

It is a happy number.

It is a super-2 number, since 2×113004540² = 25540052121223200, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113004547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26557 + ... + 30516.

It is an arithmetic number, because the mean of its divisors is an integer number (5193734).

Almost surely, 2^113004540 is an apocalyptic number.

113004540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113004540 is an abundant number, since it is smaller than the sum of its proper divisors (260944308).

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

113004540 is a wasteful number, since it uses less digits than its factorization.

113004540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57099 (or 57094 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 113004540 is about 10630.3593542269. The cubic root of 113004540 is about 483.4652872646.

Adding to 113004540 its reverse (45400311), we get a palindrome (158404851).

The spelling of 113004540 in words is "one hundred thirteen million, four thousand, five hundred forty".