128403738335 has 16 divisors (see below), whose sum is σ = 159415689600. Its totient is φ = 99169652736.

The previous prime is 128403738301. The next prime is 128403738439. The reversal of 128403738335 is 533837304821.

It is a cyclic number.

It is not a de Polignac number, because 128403738335 - 2⁸ = 128403738079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128403738335.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1384346 + ... + 1474184.

It is an arithmetic number, because the mean of its divisors is an integer number (9963480600).

Almost surely, 2^128403738335 is an apocalyptic number.

128403738335 is a deficient number, since it is larger than the sum of its proper divisors (31011951265).

128403738335 is an equidigital number, since it uses as much as digits as its factorization.

128403738335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99730.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 128403738335 in words is "one hundred twenty-eight billion, four hundred three million, seven hundred thirty-eight thousand, three hundred thirty-five".