14191309 has 8 divisors (see below), whose sum is σ = 16296480. Its totient is φ = 12222000.

The previous prime is 14191297. The next prime is 14191319. The reversal of 14191309 is 90319141.

It is a happy number.

14191309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 14191309 - 2⁷ = 14191181 is a prime.

It is a super-2 number, since 2×14191309² = 402786502266962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14191319) 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, 33742 + ... + 34159.

It is an arithmetic number, because the mean of its divisors is an integer number (2037060).

Almost surely, 2^14191309 is an apocalyptic number.

14191309 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14191309 is a deficient number, since it is larger than the sum of its proper divisors (2105171).

14191309 is a wasteful number, since it uses less digits than its factorization.

14191309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67931.

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

The square root of 14191309 is about 3767.1353838162. The cubic root of 14191309 is about 242.1070775832.

The spelling of 14191309 in words is "fourteen million, one hundred ninety-one thousand, three hundred nine".