128536339 has 2 divisors, whose sum is σ = 128536340. Its totient is φ = 128536338.

The previous prime is 128536321. The next prime is 128536361. The reversal of 128536339 is 933635821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128536339 - 2⁵ = 128536307 is a prime.

It is not a weakly prime, because it can be changed into another prime (128536939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64268169 + 64268170.

It is an arithmetic number, because the mean of its divisors is an integer number (64268170).

Almost surely, 2^128536339 is an apocalyptic number.

128536339 is a deficient number, since it is larger than the sum of its proper divisors (1).

128536339 is an equidigital number, since it uses as much as digits as its factorization.

128536339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 40.

The square root of 128536339 is about 11337.3867800300. The cubic root of 128536339 is about 504.6713399197.

The spelling of 128536339 in words is "one hundred twenty-eight million, five hundred thirty-six thousand, three hundred thirty-nine".