43128682135 has 16 divisors (see below), whose sum is σ = 64524989952. Its totient is φ = 26885412000.

The previous prime is 43128682123. The next prime is 43128682153. The reversal of 43128682135 is 53128682134.

It is not a de Polignac number, because 43128682135 - 2⁹ = 43128681623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43128682091 and 43128682100.

It is a congruent number.

It is an unprimeable number.

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, 56010891 + ... + 56011660.

It is an arithmetic number, because the mean of its divisors is an integer number (4032811872).

Almost surely, 2^43128682135 is an apocalyptic number.

43128682135 is a deficient number, since it is larger than the sum of its proper divisors (21396307817).

43128682135 is a wasteful number, since it uses less digits than its factorization.

43128682135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112022574.

The product of its digits is 276480, while the sum is 43.

Subtracting 43128682135 from its reverse (53128682134), we obtain a palindrome (9999999999).

The spelling of 43128682135 in words is "forty-three billion, one hundred twenty-eight million, six hundred eighty-two thousand, one hundred thirty-five".