6486139 has 8 divisors (see below), whose sum is σ = 7096320. Its totient is φ = 5879400.

The previous prime is 6486133. The next prime is 6486143. The reversal of 6486139 is 9316846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6486139 - 2³ = 6486131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6486098 and 6486107.

It is not an unprimeable number, because it can be changed into a prime (6486131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4654 + ... + 5884.

It is an arithmetic number, because the mean of its divisors is an integer number (887040).

Almost surely, 2^6486139 is an apocalyptic number.

6486139 is a deficient number, since it is larger than the sum of its proper divisors (610181).

6486139 is a wasteful number, since it uses less digits than its factorization.

6486139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721.

The product of its digits is 31104, while the sum is 37.

The square root of 6486139 is about 2546.7899402974. The cubic root of 6486139 is about 186.4928061587.

The spelling of 6486139 in words is "six million, four hundred eighty-six thousand, one hundred thirty-nine".