128003440381313 has 8 divisors (see below), whose sum is σ = 146917498710528. Its totient is φ = 109246345192224.

The previous prime is 128003440381261. The next prime is 128003440381331. The reversal of 128003440381313 is 313183044300821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128003440381313 - 2⁶ = 128003440381249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128003440381363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39240783281 + ... + 39240786542.

It is an arithmetic number, because the mean of its divisors is an integer number (18364687338816).

Almost surely, 2^{128003440381313} is an apocalyptic number.

It is an amenable number.

128003440381313 is a deficient number, since it is larger than the sum of its proper divisors (18914058329215).

128003440381313 is an equidigital number, since it uses as much as digits as its factorization.

128003440381313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78481570063.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 128003440381313 in words is "one hundred twenty-eight trillion, three billion, four hundred forty million, three hundred eighty-one thousand, three hundred thirteen".