139405217594 has 16 divisors (see below), whose sum is σ = 210507897600. Its totient is φ = 69236505744.

The previous prime is 139405217569. The next prime is 139405217603. The reversal of 139405217594 is 495712504931.

139405217594 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 7 ways as a sum of consecutive naturals, for example, 331247 + ... + 623325.

It is an arithmetic number, because the mean of its divisors is an integer number (13156743600).

Almost surely, 2^139405217594 is an apocalyptic number.

139405217594 is a deficient number, since it is larger than the sum of its proper divisors (71102680006).

139405217594 is a wasteful number, since it uses less digits than its factorization.

139405217594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293677.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 139405217594 in words is "one hundred thirty-nine billion, four hundred five million, two hundred seventeen thousand, five hundred ninety-four".