113683637 has 2 divisors, whose sum is σ = 113683638. Its totient is φ = 113683636.

The previous prime is 113683597. The next prime is 113683649. The reversal of 113683637 is 736386311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111809476 + 1874161 = 10574^2 + 1369^2 .

It is an emirp because it is prime and its reverse (736386311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113683637 - 2¹⁶ = 113618101 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113683637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113683667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56841818 + 56841819.

It is an arithmetic number, because the mean of its divisors is an integer number (56841819).

Almost surely, 2^113683637 is an apocalyptic number.

It is an amenable number.

113683637 is a deficient number, since it is larger than the sum of its proper divisors (1).

113683637 is an equidigital number, since it uses as much as digits as its factorization.

113683637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 113683637 is about 10662.2529045226. The cubic root of 113683637 is about 484.4318099001.

The spelling of 113683637 in words is "one hundred thirteen million, six hundred eighty-three thousand, six hundred thirty-seven".