14639189 has 2 divisors, whose sum is σ = 14639190. Its totient is φ = 14639188.

The previous prime is 14639179. The next prime is 14639197. The reversal of 14639189 is 98193641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14190289 + 448900 = 3767^2 + 670^2 .

It is a cyclic number.

It is not a de Polignac number, because 14639189 - 2⁸ = 14638933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14639129) 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, 7319594 + 7319595.

It is an arithmetic number, because the mean of its divisors is an integer number (7319595).

Almost surely, 2^14639189 is an apocalyptic number.

It is an amenable number.

14639189 is a deficient number, since it is larger than the sum of its proper divisors (1).

14639189 is an equidigital number, since it uses as much as digits as its factorization.

14639189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 14639189 is about 3826.1193133513. The cubic root of 14639189 is about 244.6277228251.

The spelling of 14639189 in words is "fourteen million, six hundred thirty-nine thousand, one hundred eighty-nine".