14140306 has 4 divisors (see below), whose sum is σ = 21210462. Its totient is φ = 7070152.

The previous prime is 14140297. The next prime is 14140339. The reversal of 14140306 is 60304141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60304141 = 109 ⋅553249.

It can be written as a sum of positive squares in only one way, i.e., 11964681 + 2175625 = 3459^2 + 1475^2 .

It is an unprimeable number.

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, 3535075 + ... + 3535078.

Almost surely, 2^14140306 is an apocalyptic number.

14140306 is a deficient number, since it is larger than the sum of its proper divisors (7070156).

14140306 is an equidigital number, since it uses as much as digits as its factorization.

14140306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7070155.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 14140306 is about 3760.3598232084. The cubic root of 14140306 is about 241.8166883539.

Adding to 14140306 its reverse (60304141), we get a palindrome (74444447).

The spelling of 14140306 in words is "fourteen million, one hundred forty thousand, three hundred six".