139203195068 has 18 divisors (see below), whose sum is σ = 283377933216. Its totient is φ = 59658512088.

The previous prime is 139203195023. The next prime is 139203195071. The reversal of 139203195068 is 860591302931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355109996 + ... + 355110387.

It is an arithmetic number, because the mean of its divisors is an integer number (15743218512).

Almost surely, 2^139203195068 is an apocalyptic number.

It is an amenable number.

139203195068 is an abundant number, since it is smaller than the sum of its proper divisors (144174738148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139203195068 is a wasteful number, since it uses less digits than its factorization.

139203195068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710220401 (or 710220392 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 47.

Adding to 139203195068 its reverse (860591302931), we get a palindrome (999794497999).

The spelling of 139203195068 in words is "one hundred thirty-nine billion, two hundred three million, one hundred ninety-five thousand, sixty-eight".