140042431042322 has 4 divisors (see below), whose sum is σ = 210063646563486. Its totient is φ = 70021215521160.

The previous prime is 140042431042279. The next prime is 140042431042337. The reversal of 140042431042322 is 223240134240041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 97219816920121 + 42822614122201 = 9860011^2 + 6543899^2 .

It is a super-2 number, since 2×140042431042322² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35010607760579 + ... + 35010607760582.

Almost surely, 2^{140042431042322} is an apocalyptic number.

140042431042322 is a deficient number, since it is larger than the sum of its proper divisors (70021215521164).

140042431042322 is an equidigital number, since it uses as much as digits as its factorization.

140042431042322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70021215521163.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 140042431042322 its reverse (223240134240041), we get a palindrome (363282565282363).

The spelling of 140042431042322 in words is "one hundred forty trillion, forty-two billion, four hundred thirty-one million, forty-two thousand, three hundred twenty-two".