113201540 has 24 divisors (see below), whose sum is σ = 237977880. Its totient is φ = 45232128.

The previous prime is 113201531. The next prime is 113201567. The reversal of 113201540 is 45102311.

It can be written as a sum of positive squares in 4 ways, for example, as 61246276 + 51955264 = 7826^2 + 7208^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20606 + ... + 25514.

It is an arithmetic number, because the mean of its divisors is an integer number (9915745).

Almost surely, 2^113201540 is an apocalyptic number.

113201540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113201540 is an abundant number, since it is smaller than the sum of its proper divisors (124776340).

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

113201540 is a wasteful number, since it uses less digits than its factorization.

113201540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6071 (or 6069 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 113201540 is about 10639.6212338598. The cubic root of 113201540 is about 483.7460646854.

Adding to 113201540 its reverse (45102311), we get a palindrome (158303851).

The spelling of 113201540 in words is "one hundred thirteen million, two hundred one thousand, five hundred forty".