6675139 has 4 divisors (see below), whose sum is σ = 6681856. Its totient is φ = 6668424.

The previous prime is 6675131. The next prime is 6675161. The reversal of 6675139 is 9315766.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9315766 = 2 ⋅4657883.

It is a cyclic number.

It is not a de Polignac number, because 6675139 - 2³ = 6675131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6675098 and 6675107.

It is not an unprimeable number, because it can be changed into a prime (6675131) 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 3 ways as a sum of consecutive naturals, for example, 1539 + ... + 3964.

It is an arithmetic number, because the mean of its divisors is an integer number (1670464).

Almost surely, 2^6675139 is an apocalyptic number.

6675139 is a deficient number, since it is larger than the sum of its proper divisors (6717).

6675139 is a wasteful number, since it uses less digits than its factorization.

6675139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6716.

The product of its digits is 34020, while the sum is 37.

The square root of 6675139 is about 2583.6290368395. The cubic root of 6675139 is about 188.2868997352.

The spelling of 6675139 in words is "six million, six hundred seventy-five thousand, one hundred thirty-nine".