14130991 has 4 divisors (see below), whose sum is σ = 16149712. Its totient is φ = 12112272.

The previous prime is 14130983. The next prime is 14131001. The reversal of 14130991 is 19903141.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14130991 - 2³ = 14130983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14130911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009350 + ... + 1009363.

It is an arithmetic number, because the mean of its divisors is an integer number (4037428).

Almost surely, 2^14130991 is an apocalyptic number.

14130991 is a deficient number, since it is larger than the sum of its proper divisors (2018721).

14130991 is an equidigital number, since it uses as much as digits as its factorization.

14130991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018720.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 14130991 is about 3759.1210408818. The cubic root of 14130991 is about 241.7635773567.

The spelling of 14130991 in words is "fourteen million, one hundred thirty thousand, nine hundred ninety-one".