6340143140 has 24 divisors (see below), whose sum is σ = 13674148152. Its totient is φ = 2467514880.

The previous prime is 6340143137. The next prime is 6340143151. The reversal of 6340143140 is 413410436.

It can be written as a sum of positive squares in 4 ways, for example, as 391723264 + 5948419876 = 19792^2 + 77126^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4283141 + ... + 4284620.

It is an arithmetic number, because the mean of its divisors is an integer number (569756173).

Almost surely, 2^6340143140 is an apocalyptic number.

It is an amenable number.

6340143140 is an abundant number, since it is smaller than the sum of its proper divisors (7334005012).

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

6340143140 is a wasteful number, since it uses less digits than its factorization.

6340143140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8567807 (or 8567805 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 6340143140 is about 79625.0157927771. The cubic root of 6340143140 is about 1850.8292498605.

Adding to 6340143140 its reverse (413410436), we get a palindrome (6753553576).

The spelling of 6340143140 in words is "six billion, three hundred forty million, one hundred forty-three thousand, one hundred forty".