113540617 has 4 divisors (see below), whose sum is σ = 114977920. Its totient is φ = 112103316.

The previous prime is 113540611. The next prime is 113540629. The reversal of 113540617 is 716045311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113540617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113540611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718533 + ... + 718690.

It is an arithmetic number, because the mean of its divisors is an integer number (28744480).

Almost surely, 2^113540617 is an apocalyptic number.

It is an amenable number.

113540617 is a deficient number, since it is larger than the sum of its proper divisors (1437303).

113540617 is an equidigital number, since it uses as much as digits as its factorization.

113540617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437302.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 113540617 is about 10655.5439560822. The cubic root of 113540617 is about 484.2285777444.

Adding to 113540617 its reverse (716045311), we get a palindrome (829585928).

The spelling of 113540617 in words is "one hundred thirteen million, five hundred forty thousand, six hundred seventeen".