6139287 has 32 divisors (see below), whose sum is σ = 11343360. Its totient is φ = 3188160.

The previous prime is 6139283. The next prime is 6139297. The reversal of 6139287 is 7829316.

6139287 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 6139287 - 2² = 6139283 is a prime.

6139287 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6139283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 603 + ... + 3555.

It is an arithmetic number, because the mean of its divisors is an integer number (354480).

Almost surely, 2^6139287 is an apocalyptic number.

6139287 is a deficient number, since it is larger than the sum of its proper divisors (5204073).

6139287 is a wasteful number, since it uses less digits than its factorization.

6139287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980 (or 2974 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 6139287 is about 2477.7584628046. The cubic root of 6139287 is about 183.1074348996.

The spelling of 6139287 in words is "six million, one hundred thirty-nine thousand, two hundred eighty-seven".