128182612319 has 8 divisors (see below), whose sum is σ = 130080923280. Its totient is φ = 126294480576.

The previous prime is 128182612303. The next prime is 128182612343. The reversal of 128182612319 is 913216281821.

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 128182612319 - 2⁴ = 128182612303 is a prime.

It is a super-2 number, since 2×128182612319² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 128182612319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128182612379) 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, 2519432 + ... + 2569805.

It is an arithmetic number, because the mean of its divisors is an integer number (16260115410).

Almost surely, 2^128182612319 is an apocalyptic number.

128182612319 is a deficient number, since it is larger than the sum of its proper divisors (1898310961).

128182612319 is an equidigital number, since it uses as much as digits as its factorization.

128182612319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5089609.

The product of its digits is 82944, while the sum is 44.

The spelling of 128182612319 in words is "one hundred twenty-eight billion, one hundred eighty-two million, six hundred twelve thousand, three hundred nineteen".