128708087339 has 8 divisors (see below), whose sum is σ = 138851464752. Its totient is φ = 118599389280.

The previous prime is 128708087329. The next prime is 128708087401. The reversal of 128708087339 is 933780807821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128708087339 - 2⁴ = 128708087323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128708087329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8662124 + ... + 8676969.

It is an arithmetic number, because the mean of its divisors is an integer number (17356433094).

Almost surely, 2^128708087339 is an apocalyptic number.

128708087339 is a deficient number, since it is larger than the sum of its proper divisors (10143377413).

128708087339 is a wasteful number, since it uses less digits than its factorization.

128708087339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17339677.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The spelling of 128708087339 in words is "one hundred twenty-eight billion, seven hundred eight million, eighty-seven thousand, three hundred thirty-nine".