128306725214 has 4 divisors (see below), whose sum is σ = 192460087824. Its totient is φ = 64153362606.

The previous prime is 128306725213. The next prime is 128306725219. The reversal of 128306725214 is 412527603821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412527603821 = 101 ⋅4084431721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128306725213) 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 as a sum of consecutive naturals, namely, 32076681302 + ... + 32076681305.

It is an arithmetic number, because the mean of its divisors is an integer number (48115021956).

Almost surely, 2^128306725214 is an apocalyptic number.

128306725214 is a deficient number, since it is larger than the sum of its proper divisors (64153362610).

128306725214 is an equidigital number, since it uses as much as digits as its factorization.

128306725214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64153362609.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 128306725214 in words is "one hundred twenty-eight billion, three hundred six million, seven hundred twenty-five thousand, two hundred fourteen".