128336804 has 6 divisors (see below), whose sum is σ = 224589414. Its totient is φ = 64168400.

The previous prime is 128336779. The next prime is 128336809. The reversal of 128336804 is 408633821.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 125440000 + 2896804 = 11200^2 + 1702^2 .

It is not an unprimeable number, because it can be changed into a prime (128336809) by changing a digit.

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, 16042097 + ... + 16042104.

It is an arithmetic number, because the mean of its divisors is an integer number (37431569).

Almost surely, 2^128336804 is an apocalyptic number.

It is an amenable number.

128336804 is a deficient number, since it is larger than the sum of its proper divisors (96252610).

128336804 is a wasteful number, since it uses less digits than its factorization.

128336804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32084205 (or 32084203 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 128336804 is about 11328.5834948594. The cubic root of 128336804 is about 504.4100603754.

The spelling of 128336804 in words is "one hundred twenty-eight million, three hundred thirty-six thousand, eight hundred four".