128304146853 has 20 divisors (see below), whose sum is σ = 192147048940. Its totient is φ = 85320620352.

The previous prime is 128304146807. The next prime is 128304146879. The reversal of 128304146853 is 358641403821.

128304146853 is a `hidden beast` number, since 128 + 3 + 0 + 414 + 68 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 64263771009 + 64040375844 = 253503^2 + 253062^2 .

It is not a de Polignac number, because 128304146853 - 2¹³ = 128304138661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128304146799 and 128304146808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128304148853) 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 19 ways as a sum of consecutive naturals, for example, 1962808 + ... + 2027121.

It is an arithmetic number, because the mean of its divisors is an integer number (9607352447).

Almost surely, 2^128304146853 is an apocalyptic number.

It is an amenable number.

128304146853 is a deficient number, since it is larger than the sum of its proper divisors (63842902087).

128304146853 is an equidigital number, since it uses as much as digits as its factorization.

128304146853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3990338 (or 3990329 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 128304146853 in words is "one hundred twenty-eight billion, three hundred four million, one hundred forty-six thousand, eight hundred fifty-three".