139128523166 has 8 divisors (see below), whose sum is σ = 208722079920. Its totient is φ = 69554496528.

The previous prime is 139128523159. The next prime is 139128523199. The reversal of 139128523166 is 661325821931.

139128523166 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 139128523166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4864706 + ... + 4893221.

It is an arithmetic number, because the mean of its divisors is an integer number (26090259990).

Almost surely, 2^139128523166 is an apocalyptic number.

139128523166 is a deficient number, since it is larger than the sum of its proper divisors (69593556754).

139128523166 is an equidigital number, since it uses as much as digits as its factorization.

139128523166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9765058.

The product of its digits is 466560, while the sum is 47.

The spelling of 139128523166 in words is "one hundred thirty-nine billion, one hundred twenty-eight million, five hundred twenty-three thousand, one hundred sixty-six".