6627139 has 2 divisors, whose sum is σ = 6627140. Its totient is φ = 6627138.

The previous prime is 6627119. The next prime is 6627157. The reversal of 6627139 is 9317266.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6627139 - 2¹⁷ = 6496067 is a prime.

It is equal to p₄₅₂₈₉₆ and since 6627139 and 452896 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (6627119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3313569 + 3313570.

It is an arithmetic number, because the mean of its divisors is an integer number (3313570).

Almost surely, 2^6627139 is an apocalyptic number.

6627139 is a deficient number, since it is larger than the sum of its proper divisors (1).

6627139 is an equidigital number, since it uses as much as digits as its factorization.

6627139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 34.

The square root of 6627139 is about 2574.3230178049. The cubic root of 6627139 is about 187.8344986058.

The spelling of 6627139 in words is "six million, six hundred twenty-seven thousand, one hundred thirty-nine".