14236309 has 2 divisors, whose sum is σ = 14236310. Its totient is φ = 14236308.

The previous prime is 14236279. The next prime is 14236337. The reversal of 14236309 is 90363241.

It is an a-pointer prime, because the next prime (14236337) can be obtained adding 14236309 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14212900 + 23409 = 3770^2 + 153^2 .

It is an emirp because it is prime and its reverse (90363241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14236309 - 2⁷ = 14236181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14236349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7118154 + 7118155.

It is an arithmetic number, because the mean of its divisors is an integer number (7118155).

Almost surely, 2^14236309 is an apocalyptic number.

It is an amenable number.

14236309 is a deficient number, since it is larger than the sum of its proper divisors (1).

14236309 is an equidigital number, since it uses as much as digits as its factorization.

14236309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 14236309 is about 3773.1033646059. The cubic root of 14236309 is about 242.3627111092.

The spelling of 14236309 in words is "fourteen million, two hundred thirty-six thousand, three hundred nine".