6613139 has 12 divisors (see below), whose sum is σ = 7246800. Its totient is φ = 6031584.

The previous prime is 6613129. The next prime is 6613141. The reversal of 6613139 is 9313166.

It is not a de Polignac number, because 6613139 - 2⁸ = 6612883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6613109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18242 + ... + 18600.

It is an arithmetic number, because the mean of its divisors is an integer number (603900).

Almost surely, 2^6613139 is an apocalyptic number.

6613139 is a deficient number, since it is larger than the sum of its proper divisors (633661).

6613139 is a wasteful number, since it uses less digits than its factorization.

6613139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 481 counting only the distinct ones).

The product of its digits is 2916, while the sum is 29.

The square root of 6613139 is about 2571.6024187265. The cubic root of 6613139 is about 187.7021369681.

The spelling of 6613139 in words is "six million, six hundred thirteen thousand, one hundred thirty-nine".