8130839 has 2 divisors, whose sum is σ = 8130840. Its totient is φ = 8130838.

The previous prime is 8130821. The next prime is 8130851. The reversal of 8130839 is 9380318.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8130839 - 2⁸ = 8130583 is a prime.

It is a super-2 number, since 2×8130839² = 132221085687842, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8130809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4065419 + 4065420.

It is an arithmetic number, because the mean of its divisors is an integer number (4065420).

Almost surely, 2^8130839 is an apocalyptic number.

8130839 is a deficient number, since it is larger than the sum of its proper divisors (1).

8130839 is an equidigital number, since it uses as much as digits as its factorization.

8130839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 8130839 is about 2851.4626071544. The cubic root of 8130839 is about 201.0844343829.

The spelling of 8130839 in words is "eight million, one hundred thirty thousand, eight hundred thirty-nine".