14140521 has 16 divisors (see below), whose sum is σ = 21049600. Its totient is φ = 9381744.

The previous prime is 14140517. The next prime is 14140543. The reversal of 14140521 is 12504141.

14140521 is a `hidden beast` number, since 1 + 4 + 140 + 521 = 666.

14140521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14140521 - 2² = 14140517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14140494 and 14140503.

It is not an unprimeable number, because it can be changed into a prime (14140591) 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 in 15 ways as a sum of consecutive naturals, for example, 5040 + ... + 7326.

It is an arithmetic number, because the mean of its divisors is an integer number (1315600).

Almost surely, 2^14140521 is an apocalyptic number.

It is an amenable number.

14140521 is a deficient number, since it is larger than the sum of its proper divisors (6909079).

14140521 is a wasteful number, since it uses less digits than its factorization.

14140521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525 (or 2519 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 14140521 is about 3760.3884107895. The cubic root of 14140521 is about 241.8179139361.

Adding to 14140521 its reverse (12504141), we get a palindrome (26644662).

The spelling of 14140521 in words is "fourteen million, one hundred forty thousand, five hundred twenty-one".