113540636 has 12 divisors (see below), whose sum is σ = 216759480. Its totient is φ = 51609360.

The previous prime is 113540629. The next prime is 113540659. The reversal of 113540636 is 636045311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 113540599 and 113540608.

It is a congruent number.

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, 1290191 + ... + 1290278.

It is an arithmetic number, because the mean of its divisors is an integer number (18063290).

Almost surely, 2^113540636 is an apocalyptic number.

It is an amenable number.

113540636 is a deficient number, since it is larger than the sum of its proper divisors (103218844).

113540636 is a wasteful number, since it uses less digits than its factorization.

113540636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580484 (or 2580482 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 113540636 is about 10655.5448476368. The cubic root of 113540636 is about 484.2286047548.

Adding to 113540636 its reverse (636045311), we get a palindrome (749585947).

The spelling of 113540636 in words is "one hundred thirteen million, five hundred forty thousand, six hundred thirty-six".