6240285139 has 4 divisors (see below), whose sum is σ = 6807583800. Its totient is φ = 5672986480.

The previous prime is 6240285133. The next prime is 6240285193. The reversal of 6240285139 is 9315820426.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6240285139 - 2³ = 6240285131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6240285131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283649314 + ... + 283649335.

It is an arithmetic number, because the mean of its divisors is an integer number (1701895950).

Almost surely, 2^6240285139 is an apocalyptic number.

6240285139 is a deficient number, since it is larger than the sum of its proper divisors (567298661).

6240285139 is a wasteful number, since it uses less digits than its factorization.

6240285139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567298660.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 6240285139 is about 78995.4754337234. The cubic root of 6240285139 is about 1841.0608582906.

The spelling of 6240285139 in words is "six billion, two hundred forty million, two hundred eighty-five thousand, one hundred thirty-nine".