128716208 has 10 divisors (see below), whose sum is σ = 249387684. Its totient is φ = 64358096.

The previous prime is 128716193. The next prime is 128716213. The reversal of 128716208 is 802617821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4022366 + ... + 4022397.

Almost surely, 2^128716208 is an apocalyptic number.

It is an amenable number.

128716208 is a deficient number, since it is larger than the sum of its proper divisors (120671476).

128716208 is an equidigital number, since it uses as much as digits as its factorization.

128716208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8044771 (or 8044765 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 128716208 is about 11345.3165667600. The cubic root of 128716208 is about 504.9066363362.

The spelling of 128716208 in words is "one hundred twenty-eight million, seven hundred sixteen thousand, two hundred eight".