140042341234 has 8 divisors (see below), whose sum is σ = 212143348908. Its totient is φ = 69327891600.

The previous prime is 140042341181. The next prime is 140042341289. The reversal of 140042341234 is 432143240041.

It can be written as a sum of positive squares in 2 ways, for example, as 122572110609 + 17470230625 = 350103^2 + 132175^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×140042341234² (a number of 23 digits) contains 22 as substring.

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, 346639257 + ... + 346639660.

Almost surely, 2^140042341234 is an apocalyptic number.

140042341234 is a deficient number, since it is larger than the sum of its proper divisors (72101007674).

140042341234 is a wasteful number, since it uses less digits than its factorization.

140042341234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693279020.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 140042341234 its reverse (432143240041), we get a palindrome (572185581275).

The spelling of 140042341234 in words is "one hundred forty billion, forty-two million, three hundred forty-one thousand, two hundred thirty-four".