14142091 has 2 divisors, whose sum is σ = 14142092. Its totient is φ = 14142090.

The previous prime is 14142077. The next prime is 14142109. The reversal of 14142091 is 19024141.

Together with next prime (14142109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (19024141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14142091 - 2⁵ = 14142059 is a prime.

It is not a weakly prime, because it can be changed into another prime (14142001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7071045 + 7071046.

It is an arithmetic number, because the mean of its divisors is an integer number (7071046).

Almost surely, 2^14142091 is an apocalyptic number.

14142091 is a deficient number, since it is larger than the sum of its proper divisors (1).

14142091 is an equidigital number, since it uses as much as digits as its factorization.

14142091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 14142091 is about 3760.5971600266. The cubic root of 14142091 is about 241.8268631602.

The spelling of 14142091 in words is "fourteen million, one hundred forty-two thousand, ninety-one".