140234213310442 has 16 divisors (see below), whose sum is σ = 210375288531072. Its totient is φ = 70109117617680.

The previous prime is 140234213310439. The next prime is 140234213310517. The reversal of 140234213310442 is 244013312432041.

It is a junction number, because it is equal to n+sod(n) for n = 140234213310398 and 140234213310407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684665067 + ... + 684869857.

It is an arithmetic number, because the mean of its divisors is an integer number (13148455533192).

Almost surely, 2^{140234213310442} is an apocalyptic number.

140234213310442 is a deficient number, since it is larger than the sum of its proper divisors (70141075220630).

140234213310442 is a wasteful number, since it uses less digits than its factorization.

140234213310442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242133.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 140234213310442 its reverse (244013312432041), we get a palindrome (384247525742483).

The spelling of 140234213310442 in words is "one hundred forty trillion, two hundred thirty-four billion, two hundred thirteen million, three hundred ten thousand, four hundred forty-two".