113640583 has 8 divisors (see below), whose sum is σ = 129975968. Its totient is φ = 97330464.

The previous prime is 113640559. The next prime is 113640587. The reversal of 113640583 is 385046311.

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

It is a de Polignac number, because none of the positive numbers 2^k-113640583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113640587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4585 + ... + 15757.

It is an arithmetic number, because the mean of its divisors is an integer number (16246996).

Almost surely, 2^113640583 is an apocalyptic number.

113640583 is a deficient number, since it is larger than the sum of its proper divisors (16335385).

113640583 is a wasteful number, since it uses less digits than its factorization.

113640583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12633.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 113640583 is about 10660.2337216404. The cubic root of 113640583 is about 484.3706478860.

Adding to 113640583 its reverse (385046311), we get a palindrome (498686894).

The spelling of 113640583 in words is "one hundred thirteen million, six hundred forty thousand, five hundred eighty-three".