128304105914 has 4 divisors (see below), whose sum is σ = 192456158874. Its totient is φ = 64152052956.

The previous prime is 128304105913. The next prime is 128304105929. The reversal of 128304105914 is 419501403821.

128304105914 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 99398325625 + 28905780289 = 315275^2 + 170017^2 .

It is not an unprimeable number, because it can be changed into a prime (128304105913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32076026477 + ... + 32076026480.

Almost surely, 2^128304105914 is an apocalyptic number.

128304105914 is a deficient number, since it is larger than the sum of its proper divisors (64152052960).

128304105914 is an equidigital number, since it uses as much as digits as its factorization.

128304105914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64152052959.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 128304105914 in words is "one hundred twenty-eight billion, three hundred four million, one hundred five thousand, nine hundred fourteen".