128714415843 has 16 divisors (see below), whose sum is σ = 184839921056. Its totient is φ = 79200633600.

The previous prime is 128714415811. The next prime is 128714415901. The reversal of 128714415843 is 348514417821.

It is not a de Polignac number, because 128714415843 - 2⁵ = 128714415811 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128714415792 and 128714415801.

It is not an unprimeable number, because it can be changed into a prime (128714410843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219471 + ... + 552807.

It is an arithmetic number, because the mean of its divisors is an integer number (11552495066).

Almost surely, 2^128714415843 is an apocalyptic number.

128714415843 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

128714415843 is a deficient number, since it is larger than the sum of its proper divisors (56125505213).

128714415843 is a wasteful number, since it uses less digits than its factorization.

128714415843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343254.

The product of its digits is 860160, while the sum is 48.

The spelling of 128714415843 in words is "one hundred twenty-eight billion, seven hundred fourteen million, four hundred fifteen thousand, eight hundred forty-three".