14128181 has 2 divisors, whose sum is σ = 14128182. Its totient is φ = 14128180.

The previous prime is 14128159. The next prime is 14128189. The reversal of 14128181 is 18182141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11458225 + 2669956 = 3385^2 + 1634^2 .

It is an emirp because it is prime and its reverse (18182141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14128181 - 2¹⁸ = 13866037 is a prime.

It is a super-2 number, since 2×14128181² = 399210996737522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14128181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14128189) 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, 7064090 + 7064091.

It is an arithmetic number, because the mean of its divisors is an integer number (7064091).

Almost surely, 2^14128181 is an apocalyptic number.

It is an amenable number.

14128181 is a deficient number, since it is larger than the sum of its proper divisors (1).

14128181 is an equidigital number, since it uses as much as digits as its factorization.

14128181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 512, while the sum is 26.

The square root of 14128181 is about 3758.7472647147. The cubic root of 14128181 is about 241.7475510996.

The spelling of 14128181 in words is "fourteen million, one hundred twenty-eight thousand, one hundred eighty-one".