14141991 has 8 divisors (see below), whose sum is σ = 18941440. Its totient is φ = 9385272.

The previous prime is 14141989. The next prime is 14142001. The reversal of 14141991 is 19914141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14141991 - 2¹ = 14141989 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 (14141951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9901 + ... + 11238.

It is an arithmetic number, because the mean of its divisors is an integer number (2367680).

Almost surely, 2^14141991 is an apocalyptic number.

14141991 is a deficient number, since it is larger than the sum of its proper divisors (4799449).

14141991 is a wasteful number, since it uses less digits than its factorization.

14141991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21365.

The product of its digits is 1296, while the sum is 30.

The square root of 14141991 is about 3760.5838642424. The cubic root of 14141991 is about 241.8262931657.

The spelling of 14141991 in words is "fourteen million, one hundred forty-one thousand, nine hundred ninety-one".