4140309 has 12 divisors (see below), whose sum is σ = 5827776. Its totient is φ = 2614248.

The previous prime is 4140287. The next prime is 4140361. The reversal of 4140309 is 9030414.

It is not a de Polignac number, because 4140309 - 2⁸ = 4140053 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4140379) 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 11 ways as a sum of consecutive naturals, for example, 829 + ... + 2994.

It is an arithmetic number, because the mean of its divisors is an integer number (485648).

Almost surely, 2^4140309 is an apocalyptic number.

It is an amenable number.

4140309 is a deficient number, since it is larger than the sum of its proper divisors (1687467).

4140309 is a wasteful number, since it uses less digits than its factorization.

4140309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864 (or 3845 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 4140309 is about 2034.7749261282. The cubic root of 4140309 is about 160.5748721431.

The spelling of 4140309 in words is "four million, one hundred forty thousand, three hundred nine".