108640219 has 2 divisors, whose sum is σ = 108640220. Its totient is φ = 108640218.

The previous prime is 108640193. The next prime is 108640229. The reversal of 108640219 is 912046801.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (912046801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108640219 - 2⁵ = 108640187 is a prime.

It is a super-2 number, since 2×108640219² = 23605394368735922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (108640229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54320109 + 54320110.

It is an arithmetic number, because the mean of its divisors is an integer number (54320110).

Almost surely, 2^108640219 is an apocalyptic number.

108640219 is a deficient number, since it is larger than the sum of its proper divisors (1).

108640219 is an equidigital number, since it uses as much as digits as its factorization.

108640219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 108640219 is about 10423.0618821918. The cubic root of 108640219 is about 477.1594662751.

The spelling of 108640219 in words is "one hundred eight million, six hundred forty thousand, two hundred nineteen".