14400091 has 2 divisors, whose sum is σ = 14400092. Its totient is φ = 14400090.

The previous prime is 14400079. The next prime is 14400097. The reversal of 14400091 is 19000441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14400091 - 2⁵ = 14400059 is a prime.

It is not a weakly prime, because it can be changed into another prime (14400097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7200045 + 7200046.

It is an arithmetic number, because the mean of its divisors is an integer number (7200046).

Almost surely, 2^14400091 is an apocalyptic number.

14400091 is a deficient number, since it is larger than the sum of its proper divisors (1).

14400091 is an equidigital number, since it uses as much as digits as its factorization.

14400091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 14400091 is about 3794.7451824859. The cubic root of 14400091 is about 243.2885923037.

The spelling of 14400091 in words is "fourteen million, four hundred thousand, ninety-one".