It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 140122123399999.
It is a congruent number.
Almost surely, 2140122123399999 is an apocalyptic number.
140122123399999 is a wasteful number, since it uses less digits than its factorization.
140122123399999 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10778624876936.
The spelling of 140122123399999 in words is "one hundred forty trillion, one hundred twenty-two billion, one hundred twenty-three million, three hundred ninety-nine thousand, nine hundred ninety-nine".