14190181 has 2 divisors, whose sum is σ = 14190182. Its totient is φ = 14190180.

The previous prime is 14190179. The next prime is 14190191. The reversal of 14190181 is 18109141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8946081 + 5244100 = 2991^2 + 2290^2 .

It is an emirp because it is prime and its reverse (18109141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14190181 - 2¹ = 14190179 is a prime.

It is a super-2 number, since 2×14190181² = 402722473625522, which contains 22 as substring.

Together with 14190179, it forms a pair of twin primes.

It is equal to p₉₂₁₆₁₆ and since 14190181 and 921616 have the same sum of digits, it is a Honaker prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14190151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7095090 + 7095091.

It is an arithmetic number, because the mean of its divisors is an integer number (7095091).

Almost surely, 2^14190181 is an apocalyptic number.

It is an amenable number.

14190181 is a deficient number, since it is larger than the sum of its proper divisors (1).

14190181 is an equidigital number, since it uses as much as digits as its factorization.

14190181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 25.

The square root of 14190181 is about 3766.9856649581. The cubic root of 14190181 is about 242.1006627645.

The spelling of 14190181 in words is "fourteen million, one hundred ninety thousand, one hundred eighty-one".