128336507039 has 8 divisors (see below), whose sum is σ = 140101814832. Its totient is φ = 116841666240.

The previous prime is 128336507009. The next prime is 128336507041. The reversal of 128336507039 is 930705633821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-128336507039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128336506984 and 128336507002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128336507009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67615757 + ... + 67617654.

It is an arithmetic number, because the mean of its divisors is an integer number (17512726854).

Almost surely, 2^128336507039 is an apocalyptic number.

128336507039 is a deficient number, since it is larger than the sum of its proper divisors (11765307793).

128336507039 is a wasteful number, since it uses less digits than its factorization.

128336507039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135233497.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 128336507039 in words is "one hundred twenty-eight billion, three hundred thirty-six million, five hundred seven thousand, thirty-nine".