8011139 has 2 divisors, whose sum is σ = 8011140. Its totient is φ = 8011138.

The previous prime is 8011127. The next prime is 8011169. The reversal of 8011139 is 9311108.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8011139 - 2⁸ = 8010883 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8011169) 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, 4005569 + 4005570.

It is an arithmetic number, because the mean of its divisors is an integer number (4005570).

Almost surely, 2^8011139 is an apocalyptic number.

8011139 is a deficient number, since it is larger than the sum of its proper divisors (1).

8011139 is an equidigital number, since it uses as much as digits as its factorization.

8011139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 8011139 is about 2830.3955553950. The cubic root of 8011139 is about 200.0927819509.

The spelling of 8011139 in words is "eight million, eleven thousand, one hundred thirty-nine".