108368189 has 2 divisors, whose sum is σ = 108368190. Its totient is φ = 108368188.

The previous prime is 108368179. The next prime is 108368201. The reversal of 108368189 is 981863801.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70644025 + 37724164 = 8405^2 + 6142^2 .

It is an emirp because it is prime and its reverse (981863801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108368189 - 2⁴ = 108368173 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108368129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54184094 + 54184095.

It is an arithmetic number, because the mean of its divisors is an integer number (54184095).

Almost surely, 2^108368189 is an apocalyptic number.

It is an amenable number.

108368189 is a deficient number, since it is larger than the sum of its proper divisors (1).

108368189 is an equidigital number, since it uses as much as digits as its factorization.

108368189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 108368189 is about 10410.0042747350. The cubic root of 108368189 is about 476.7608717801.

The spelling of 108368189 in words is "one hundred eight million, three hundred sixty-eight thousand, one hundred eighty-nine".