140442143314442 has 8 divisors (see below), whose sum is σ = 210748885257600. Its totient is φ = 70192514895244.

The previous prime is 140442143314433. The next prime is 140442143314481. The reversal of 140442143314442 is 244413341244041.

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 140442143314442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14278374842 + ... + 14278384677.

It is an arithmetic number, because the mean of its divisors is an integer number (26343610657200).

Almost surely, 2^{140442143314442} is an apocalyptic number.

140442143314442 is a deficient number, since it is larger than the sum of its proper divisors (70306741943158).

140442143314442 is a wasteful number, since it uses less digits than its factorization.

140442143314442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28556761980.

The product of its (nonzero) digits is 589824, while the sum is 41.

Adding to 140442143314442 its reverse (244413341244041), we get a palindrome (384855484558483).

The spelling of 140442143314442 in words is "one hundred forty trillion, four hundred forty-two billion, one hundred forty-three million, three hundred fourteen thousand, four hundred forty-two".