239128309064 has 64 divisors (see below), whose sum is σ = 469973664000. Its totient is φ = 113942709504.

The previous prime is 239128309001. The next prime is 239128309073. The reversal of 239128309064 is 460903821932.

239128309064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9384389 + ... + 9409835.

It is an arithmetic number, because the mean of its divisors is an integer number (7343338500).

Almost surely, 2^239128309064 is an apocalyptic number.

It is an amenable number.

239128309064 is a deficient number, since it is larger than the sum of its proper divisors (230845354936).

239128309064 is a wasteful number, since it uses less digits than its factorization.

239128309064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26142 (or 26138 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 239128309064 in words is "two hundred thirty-nine billion, one hundred twenty-eight million, three hundred nine thousand, sixty-four".