6677139 has 8 divisors (see below), whose sum is σ = 10174720. Its totient is φ = 3815496.

The previous prime is 6677129. The next prime is 6677147. The reversal of 6677139 is 9317766.

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

It is not a de Polignac number, because 6677139 - 2⁴ = 6677123 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6677097 and 6677106.

It is not an unprimeable number, because it can be changed into a prime (6677129) 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, 158959 + ... + 159000.

It is an arithmetic number, because the mean of its divisors is an integer number (1271840).

Almost surely, 2^6677139 is an apocalyptic number.

6677139 is a deficient number, since it is larger than the sum of its proper divisors (3497581).

6677139 is a wasteful number, since it uses less digits than its factorization.

6677139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317969.

The product of its digits is 47628, while the sum is 39.

The square root of 6677139 is about 2584.0160603216. The cubic root of 6677139 is about 188.3057026493.

The spelling of 6677139 in words is "six million, six hundred seventy-seven thousand, one hundred thirty-nine".