128336313 has 32 divisors (see below), whose sum is σ = 201856000. Its totient is φ = 70994880.

The previous prime is 128336303. The next prime is 128336321. The reversal of 128336313 is 313633821.

It is not a de Polignac number, because 128336313 - 2⁸ = 128336057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (128336303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256938 + ... + 257436.

It is an arithmetic number, because the mean of its divisors is an integer number (6308000).

Almost surely, 2^128336313 is an apocalyptic number.

It is an amenable number.

128336313 is a deficient number, since it is larger than the sum of its proper divisors (73519687).

128336313 is a wasteful number, since it uses less digits than its factorization.

128336313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877.

The product of its digits is 7776, while the sum is 30.

The square root of 128336313 is about 11328.5618239916. The cubic root of 128336313 is about 504.4094171054.

The spelling of 128336313 in words is "one hundred twenty-eight million, three hundred thirty-six thousand, three hundred thirteen".