139047640835 has 8 divisors (see below), whose sum is σ = 166860285120. Its totient is φ = 111236035264.

The previous prime is 139047640783. The next prime is 139047640843. The reversal of 139047640835 is 538046740931.

139047640835 is digitally balanced in base 2, 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 cyclic number.

It is not a de Polignac number, because 139047640835 - 2²⁸ = 138779205379 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 73751 + ... + 532479.

It is an arithmetic number, because the mean of its divisors is an integer number (20857535640).

Almost surely, 2^139047640835 is an apocalyptic number.

139047640835 is a deficient number, since it is larger than the sum of its proper divisors (27812644285).

139047640835 is an equidigital number, since it uses as much as digits as its factorization.

139047640835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519357.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 139047640835 in words is "one hundred thirty-nine billion, forty-seven million, six hundred forty thousand, eight hundred thirty-five".