82948139 has 2 divisors, whose sum is σ = 82948140. Its totient is φ = 82948138.

The previous prime is 82948123. The next prime is 82948147. The reversal of 82948139 is 93184928.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82948139 - 2⁴ = 82948123 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82948139.

It is not a weakly prime, because it can be changed into another prime (82948039) 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, 41474069 + 41474070.

It is an arithmetic number, because the mean of its divisors is an integer number (41474070).

Almost surely, 2^82948139 is an apocalyptic number.

82948139 is a deficient number, since it is larger than the sum of its proper divisors (1).

82948139 is an equidigital number, since it uses as much as digits as its factorization.

82948139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 44.

The square root of 82948139 is about 9107.5868922564. The cubic root of 82948139 is about 436.1161962699.

The spelling of 82948139 in words is "eighty-two million, nine hundred forty-eight thousand, one hundred thirty-nine".