6633139 has 2 divisors, whose sum is σ = 6633140. Its totient is φ = 6633138.

The previous prime is 6633119. The next prime is 6633149. The reversal of 6633139 is 9313366.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6633139 - 2⁹ = 6632627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6633139.

It is not a weakly prime, because it can be changed into another prime (6633119) 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 as a sum of consecutive naturals, namely, 3316569 + 3316570.

It is an arithmetic number, because the mean of its divisors is an integer number (3316570).

Almost surely, 2^6633139 is an apocalyptic number.

6633139 is a deficient number, since it is larger than the sum of its proper divisors (1).

6633139 is an equidigital number, since it uses as much as digits as its factorization.

6633139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 31.

The square root of 6633139 is about 2575.4881090776. The cubic root of 6633139 is about 187.8911679591.

The spelling of 6633139 in words is "six million, six hundred thirty-three thousand, one hundred thirty-nine".