6372139 has 2 divisors, whose sum is σ = 6372140. Its totient is φ = 6372138.

The previous prime is 6372131. The next prime is 6372167. The reversal of 6372139 is 9312736.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6372139 - 2³ = 6372131 is a prime.

6372139 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6372139.

It is not a weakly prime, because it can be changed into another prime (6372131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3186069 + 3186070.

It is an arithmetic number, because the mean of its divisors is an integer number (3186070).

Almost surely, 2^6372139 is an apocalyptic number.

6372139 is a deficient number, since it is larger than the sum of its proper divisors (1).

6372139 is an equidigital number, since it uses as much as digits as its factorization.

6372139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 31.

The square root of 6372139 is about 2524.3096085861. The cubic root of 6372139 is about 185.3937462277.

The spelling of 6372139 in words is "six million, three hundred seventy-two thousand, one hundred thirty-nine".