140122014243242 has 8 divisors (see below), whose sum is σ = 210183193572132. Its totient is φ = 70060949719200.

The previous prime is 140122014243223. The next prime is 140122014243283. The reversal of 140122014243242 is 242342410221041.

It can be written as a sum of positive squares in 2 ways, for example, as 139377126144481 + 744888098761 = 11805809^2 + 863069^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 140122014243199 and 140122014243208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25582109 + ... + 30572672.

Almost surely, 2^{140122014243242} is an apocalyptic number.

140122014243242 is a deficient number, since it is larger than the sum of its proper divisors (70061179328890).

140122014243242 is a wasteful number, since it uses less digits than its factorization.

140122014243242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57402424.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 140122014243242 its reverse (242342410221041), we get a palindrome (382464424464283).

The spelling of 140122014243242 in words is "one hundred forty trillion, one hundred twenty-two billion, fourteen million, two hundred forty-three thousand, two hundred forty-two".