128814591013 has 8 divisors (see below), whose sum is σ = 134763995520. Its totient is φ = 122998881120.

The previous prime is 128814591007. The next prime is 128814591019. The reversal of 128814591013 is 310195418821.

It is an interprime number because it is at equal distance from previous prime (128814591007) and next prime (128814591019).

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 128814591013 - 2¹³ = 128814582821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128814591019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33421683 + ... + 33425536.

It is an arithmetic number, because the mean of its divisors is an integer number (16845499440).

Almost surely, 2^128814591013 is an apocalyptic number.

It is an amenable number.

128814591013 is a deficient number, since it is larger than the sum of its proper divisors (5949404507).

128814591013 is an equidigital number, since it uses as much as digits as its factorization.

128814591013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66847307.

The product of its (nonzero) digits is 69120, while the sum is 43.

The spelling of 128814591013 in words is "one hundred twenty-eight billion, eight hundred fourteen million, five hundred ninety-one thousand, thirteen".