113540215 has 8 divisors (see below), whose sum is σ = 138482208. Its totient is φ = 89342880.

The previous prime is 113540209. The next prime is 113540233. The reversal of 113540215 is 512045311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113540215 - 2⁵ = 113540183 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 185827 + ... + 186436.

It is an arithmetic number, because the mean of its divisors is an integer number (17310276).

Almost surely, 2^113540215 is an apocalyptic number.

113540215 is a deficient number, since it is larger than the sum of its proper divisors (24941993).

113540215 is an equidigital number, since it uses as much as digits as its factorization.

113540215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372329.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 113540215 is about 10655.5250926456. The cubic root of 113540215 is about 484.2280062599.

Adding to 113540215 its reverse (512045311), we get a palindrome (625585526).

The spelling of 113540215 in words is "one hundred thirteen million, five hundred forty thousand, two hundred fifteen".