128339696 has 10 divisors (see below), whose sum is σ = 248658192. Its totient is φ = 64169840.

The previous prime is 128339689. The next prime is 128339707. The reversal of 128339696 is 696933821.

It is a self number, because there is not a number n which added to its sum of digits gives 128339696.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4010600 + ... + 4010631.

Almost surely, 2^128339696 is an apocalyptic number.

128339696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

128339696 is a deficient number, since it is larger than the sum of its proper divisors (120318496).

128339696 is an equidigital number, since it uses as much as digits as its factorization.

128339696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8021239 (or 8021233 counting only the distinct ones).

The product of its digits is 419904, while the sum is 47.

The square root of 128339696 is about 11328.7111358707. The cubic root of 128339696 is about 504.4138492157.

The spelling of 128339696 in words is "one hundred twenty-eight million, three hundred thirty-nine thousand, six hundred ninety-six".