108819239 has 2 divisors, whose sum is σ = 108819240. Its totient is φ = 108819238.

The previous prime is 108819209. The next prime is 108819253. The reversal of 108819239 is 932918801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108819239 - 2¹² = 108815143 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 108819196 and 108819205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108819209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54409619 + 54409620.

It is an arithmetic number, because the mean of its divisors is an integer number (54409620).

Almost surely, 2^108819239 is an apocalyptic number.

108819239 is a deficient number, since it is larger than the sum of its proper divisors (1).

108819239 is an equidigital number, since it uses as much as digits as its factorization.

108819239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 108819239 is about 10431.6460350225. The cubic root of 108819239 is about 477.4214141114.

The spelling of 108819239 in words is "one hundred eight million, eight hundred nineteen thousand, two hundred thirty-nine".