128935735 has 16 divisors (see below), whose sum is σ = 164462400. Its totient is φ = 96702976.

The previous prime is 128935733. The next prime is 128935747. The reversal of 128935735 is 537539821.

It is a cyclic number.

It is not a de Polignac number, because 128935735 - 2¹ = 128935733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128935691 and 128935700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128935733) 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, 20046 + ... + 25684.

It is an arithmetic number, because the mean of its divisors is an integer number (10278900).

Almost surely, 2^128935735 is an apocalyptic number.

128935735 is a deficient number, since it is larger than the sum of its proper divisors (35526665).

128935735 is a wasteful number, since it uses less digits than its factorization.

128935735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5930.

The product of its digits is 226800, while the sum is 43.

The square root of 128935735 is about 11354.9872302878. The cubic root of 128935735 is about 505.1935147000.

The spelling of 128935735 in words is "one hundred twenty-eight million, nine hundred thirty-five thousand, seven hundred thirty-five".