140204144242 has 8 divisors (see below), whose sum is σ = 215197058736. Its totient is φ = 68471791332.

The previous prime is 140204144209. The next prime is 140204144279. The reversal of 140204144242 is 242441402041.

It is a happy number.

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 140204144242.

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, 815140288 + ... + 815140459.

It is an arithmetic number, because the mean of its divisors is an integer number (26899632342).

Almost surely, 2^140204144242 is an apocalyptic number.

140204144242 is a deficient number, since it is larger than the sum of its proper divisors (74992914494).

140204144242 is a wasteful number, since it uses less digits than its factorization.

140204144242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630280792.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 140204144242 its reverse (242441402041), we get a palindrome (382645546283).

The spelling of 140204144242 in words is "one hundred forty billion, two hundred four million, one hundred forty-four thousand, two hundred forty-two".