128814208 has 16 divisors (see below), whose sum is σ = 256622310. Its totient is φ = 64407040.

The previous prime is 128814199. The next prime is 128814209. The reversal of 128814208 is 802418821.

It can be written as a sum of positive squares in only one way, i.e., 123832384 + 4981824 = 11128^2 + 2232^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (128814209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503053 + ... + 503308.

Almost surely, 2^128814208 is an apocalyptic number.

It is an amenable number.

128814208 is a deficient number, since it is larger than the sum of its proper divisors (127808102).

128814208 is an equidigital number, since it uses as much as digits as its factorization.

128814208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006375 (or 1006363 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 34.

The square root of 128814208 is about 11349.6347077780. The cubic root of 128814208 is about 505.0347432228.

The spelling of 128814208 in words is "one hundred twenty-eight million, eight hundred fourteen thousand, two hundred eight".