140243242322 has 4 divisors (see below), whose sum is σ = 210364863486. Its totient is φ = 70121621160.

The previous prime is 140243242303. The next prime is 140243242393. The reversal of 140243242322 is 223242342041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223242342041 = 17 ⋅13131902473.

It can be written as a sum of positive squares in only one way, i.e., 79727734321 + 60515508001 = 282361^2 + 245999^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35060810579 + ... + 35060810582.

Almost surely, 2^140243242322 is an apocalyptic number.

140243242322 is a deficient number, since it is larger than the sum of its proper divisors (70121621164).

140243242322 is an equidigital number, since it uses as much as digits as its factorization.

140243242322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70121621163.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 140243242322 its reverse (223242342041), we get a palindrome (363485584363).

The spelling of 140243242322 in words is "one hundred forty billion, two hundred forty-three million, two hundred forty-two thousand, three hundred twenty-two".