128306113073273 has 8 divisors (see below), whose sum is σ = 128588604984840. Its totient is φ = 128023639217280.

The previous prime is 128306113073267. The next prime is 128306113073287. The reversal of 128306113073273 is 372370311603821.

It can be written as a sum of positive squares in 4 ways, for example, as 1966647226384 + 126339465846889 = 1402372^2 + 11240083^2 .

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 128306113073273 - 2²⁰ = 128306112024697 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 (128306113073233) 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, 9763763 + ... + 18760151.

It is an arithmetic number, because the mean of its divisors is an integer number (16073575623105).

Almost surely, 2^{128306113073273} is an apocalyptic number.

It is an amenable number.

128306113073273 is a deficient number, since it is larger than the sum of its proper divisors (282491911567).

128306113073273 is an equidigital number, since it uses as much as digits as its factorization.

128306113073273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9027787.

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 128306113073273 in words is "one hundred twenty-eight trillion, three hundred six billion, one hundred thirteen million, seventy-three thousand, two hundred seventy-three".