113730215 has 4 divisors (see below), whose sum is σ = 136476264. Its totient is φ = 90984168.

The previous prime is 113730191. The next prime is 113730247. The reversal of 113730215 is 512037311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 512037311 = 29 ⋅17656459.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113730215 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 3 ways as a sum of consecutive naturals, for example, 11373017 + ... + 11373026.

It is an arithmetic number, because the mean of its divisors is an integer number (34119066).

Almost surely, 2^113730215 is an apocalyptic number.

113730215 is a deficient number, since it is larger than the sum of its proper divisors (22746049).

113730215 is an equidigital number, since it uses as much as digits as its factorization.

113730215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22746048.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 113730215 is about 10664.4369284084. The cubic root of 113730215 is about 484.4979606806.

Adding to 113730215 its reverse (512037311), we get a palindrome (625767526).

The spelling of 113730215 in words is "one hundred thirteen million, seven hundred thirty thousand, two hundred fifteen".