6143140 has 24 divisors (see below), whose sum is σ = 12979512. Its totient is φ = 2442240.

The previous prime is 6143113. The next prime is 6143141. The reversal of 6143140 is 413416.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 459684 + 5683456 = 678^2 + 2384^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6143141) 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 7 ways as a sum of consecutive naturals, for example, 2772 + ... + 4468.

It is an arithmetic number, because the mean of its divisors is an integer number (540813).

Almost surely, 2^6143140 is an apocalyptic number.

It is an amenable number.

6143140 is an abundant number, since it is smaller than the sum of its proper divisors (6836372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6143140 is a wasteful number, since it uses less digits than its factorization.

6143140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887 (or 1885 counting only the distinct ones).

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

The square root of 6143140 is about 2478.5358581227. The cubic root of 6143140 is about 183.1457328000.

Adding to 6143140 its reverse (413416), we get a palindrome (6556556).

The spelling of 6143140 in words is "six million, one hundred forty-three thousand, one hundred forty".