108113689 has 2 divisors, whose sum is σ = 108113690. Its totient is φ = 108113688.

The previous prime is 108113671. The next prime is 108113699. The reversal of 108113689 is 986311801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102353689 + 5760000 = 10117^2 + 2400^2 .

It is an emirp because it is prime and its reverse (986311801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108113689 - 2⁹ = 108113177 is a prime.

It is not a weakly prime, because it can be changed into another prime (108113669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54056844 + 54056845.

It is an arithmetic number, because the mean of its divisors is an integer number (54056845).

Almost surely, 2^108113689 is an apocalyptic number.

It is an amenable number.

108113689 is a deficient number, since it is larger than the sum of its proper divisors (1).

108113689 is an equidigital number, since it uses as much as digits as its factorization.

108113689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 108113689 is about 10397.7732712346. The cubic root of 108113689 is about 476.3873588772.

The spelling of 108113689 in words is "one hundred eight million, one hundred thirteen thousand, six hundred eighty-nine".