140222041242457 has 2 divisors, whose sum is σ = 140222041242458. Its totient is φ = 140222041242456.

The previous prime is 140222041242401. The next prime is 140222041242461. The reversal of 140222041242457 is 754242140222041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122523225898441 + 17698815344016 = 11069021^2 + 4206996^2 .

It is a cyclic number.

It is not a de Polignac number, because 140222041242457 - 2¹⁹ = 140222040718169 is a prime.

It is not a weakly prime, because it can be changed into another prime (140222041245457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70111020621228 + 70111020621229.

It is an arithmetic number, because the mean of its divisors is an integer number (70111020621229).

Almost surely, 2^{140222041242457} is an apocalyptic number.

It is an amenable number.

140222041242457 is a deficient number, since it is larger than the sum of its proper divisors (1).

140222041242457 is an equidigital number, since it uses as much as digits as its factorization.

140222041242457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 286720, while the sum is 40.

Adding to 140222041242457 its reverse (754242140222041), we get a palindrome (894464181464498).

The spelling of 140222041242457 in words is "one hundred forty trillion, two hundred twenty-two billion, forty-one million, two hundred forty-two thousand, four hundred fifty-seven".