140422404431 has 2 divisors, whose sum is σ = 140422404432. Its totient is φ = 140422404430.

The previous prime is 140422404389. The next prime is 140422404439. The reversal of 140422404431 is 134404224041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140422404431 - 2¹⁴ = 140422388047 is a prime.

It is a super-4 number, since 4×140422404431⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 140422404394 and 140422404403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140422404439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70211202215 + 70211202216.

It is an arithmetic number, because the mean of its divisors is an integer number (70211202216).

Almost surely, 2^140422404431 is an apocalyptic number.

140422404431 is a deficient number, since it is larger than the sum of its proper divisors (1).

140422404431 is an equidigital number, since it uses as much as digits as its factorization.

140422404431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 140422404431 its reverse (134404224041), we get a palindrome (274826628472).

The spelling of 140422404431 in words is "one hundred forty billion, four hundred twenty-two million, four hundred four thousand, four hundred thirty-one".