128108800306 has 4 divisors (see below), whose sum is σ = 192163200462. Its totient is φ = 64054400152.

The previous prime is 128108800279. The next prime is 128108800327. The reversal of 128108800306 is 603008801821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 110805765625 + 17303034681 = 332875^2 + 131541^2 .

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 as a sum of consecutive naturals, namely, 32027200075 + ... + 32027200078.

Almost surely, 2^128108800306 is an apocalyptic number.

128108800306 is a deficient number, since it is larger than the sum of its proper divisors (64054400156).

128108800306 is an equidigital number, since it uses as much as digits as its factorization.

128108800306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64054400155.

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 128108800306 in words is "one hundred twenty-eight billion, one hundred eight million, eight hundred thousand, three hundred six".