14147909 has 2 divisors, whose sum is σ = 14147910. Its totient is φ = 14147908.

The previous prime is 14147879. The next prime is 14147941. The reversal of 14147909 is 90974141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12271009 + 1876900 = 3503^2 + 1370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14147909 is a prime.

It is equal to p₉₁₉₀₇₉ and since 14147909 and 919079 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14147999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7073954 + 7073955.

It is an arithmetic number, because the mean of its divisors is an integer number (7073955).

Almost surely, 2^14147909 is an apocalyptic number.

It is an amenable number.

14147909 is a deficient number, since it is larger than the sum of its proper divisors (1).

14147909 is an equidigital number, since it uses as much as digits as its factorization.

14147909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 14147909 is about 3761.3706278430. The cubic root of 14147909 is about 241.8600208170.

The spelling of 14147909 in words is "fourteen million, one hundred forty-seven thousand, nine hundred nine".