128733626146839 has 16 divisors (see below), whose sum is σ = 197576788335360. Its totient is φ = 73032848542080.

The previous prime is 128733626146837. The next prime is 128733626146919. The reversal of 128733626146839 is 938641626337821.

It is not a de Polignac number, because 128733626146839 - 2¹ = 128733626146837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128733626146837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22050977922 + ... + 22050983759.

It is an arithmetic number, because the mean of its divisors is an integer number (12348549270960).

Almost surely, 2^{128733626146839} is an apocalyptic number.

128733626146839 is a deficient number, since it is larger than the sum of its proper divisors (68843162188521).

128733626146839 is a wasteful number, since it uses less digits than its factorization.

128733626146839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44101961830.

The product of its digits is 376233984, while the sum is 69.

The spelling of 128733626146839 in words is "one hundred twenty-eight trillion, seven hundred thirty-three billion, six hundred twenty-six million, one hundred forty-six thousand, eight hundred thirty-nine".