14109919 has 2 divisors, whose sum is σ = 14109920. Its totient is φ = 14109918.

The previous prime is 14109889. The next prime is 14109923. The reversal of 14109919 is 91990141.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14109919 - 2¹¹ = 14107871 is a prime.

It is a super-2 number, since 2×14109919² = 398179628373122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14109959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7054959 + 7054960.

It is an arithmetic number, because the mean of its divisors is an integer number (7054960).

Almost surely, 2^14109919 is an apocalyptic number.

14109919 is a deficient number, since it is larger than the sum of its proper divisors (1).

14109919 is an equidigital number, since it uses as much as digits as its factorization.

14109919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 34.

The square root of 14109919 is about 3756.3172123770. The cubic root of 14109919 is about 241.6433457216.

The spelling of 14109919 in words is "fourteen million, one hundred nine thousand, nine hundred nineteen".