128100534039 has 6 divisors (see below), whose sum is σ = 185034104736. Its totient is φ = 85400356020.

The previous prime is 128100534007. The next prime is 128100534043. The reversal of 128100534039 is 930435001821.

128100534039 is a `hidden beast` number, since 1 + 281 + 0 + 0 + 5 + 340 + 39 = 666.

It is not a de Polignac number, because 128100534039 - 2⁵ = 128100534007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128100533994 and 128100534012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128100534059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7116696327 + ... + 7116696344.

It is an arithmetic number, because the mean of its divisors is an integer number (30839017456).

Almost surely, 2^128100534039 is an apocalyptic number.

128100534039 is a deficient number, since it is larger than the sum of its proper divisors (56933570697).

128100534039 is a wasteful number, since it uses less digits than its factorization.

128100534039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14233392677 (or 14233392674 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 128100534039 in words is "one hundred twenty-eight billion, one hundred million, five hundred thirty-four thousand, thirty-nine".