14147789 has 4 divisors (see below), whose sum is σ = 14211456. Its totient is φ = 14084124.

The previous prime is 14147779. The next prime is 14147797. The reversal of 14147789 is 98774141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98774141 = 19 ⋅5198639.

It is a cyclic number.

It is not a de Polignac number, because 14147789 - 2¹⁶ = 14082253 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 (14147729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31499 + ... + 31944.

It is an arithmetic number, because the mean of its divisors is an integer number (3552864).

Almost surely, 2^14147789 is an apocalyptic number.

It is an amenable number.

14147789 is a deficient number, since it is larger than the sum of its proper divisors (63667).

14147789 is an equidigital number, since it uses as much as digits as its factorization.

14147789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63666.

The product of its digits is 56448, while the sum is 41.

The square root of 14147789 is about 3761.3546761772. The cubic root of 14147789 is about 241.8593370107.

The spelling of 14147789 in words is "fourteen million, one hundred forty-seven thousand, seven hundred eighty-nine".