7327139 has 2 divisors, whose sum is σ = 7327140. Its totient is φ = 7327138.

The previous prime is 7327127. The next prime is 7327181. The reversal of 7327139 is 9317237.

It is a weak prime.

It is an emirp because it is prime and its reverse (9317237) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7327139 - 2⁸ = 7326883 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7327109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3663569 + 3663570.

It is an arithmetic number, because the mean of its divisors is an integer number (3663570).

Almost surely, 2^7327139 is an apocalyptic number.

7327139 is a deficient number, since it is larger than the sum of its proper divisors (1).

7327139 is an equidigital number, since it uses as much as digits as its factorization.

7327139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938, while the sum is 32.

The square root of 7327139 is about 2706.8688553382. The cubic root of 7327139 is about 194.2278383849.

The spelling of 7327139 in words is "seven million, three hundred twenty-seven thousand, one hundred thirty-nine".