140522422457 has 2 divisors, whose sum is σ = 140522422458. Its totient is φ = 140522422456.

The previous prime is 140522422363. The next prime is 140522422549. The reversal of 140522422457 is 754224225041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122570710201 + 17951712256 = 350101^2 + 133984^2 .

It is a cyclic number.

It is not a de Polignac number, because 140522422457 - 2¹⁸ = 140522160313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140522422457.

It is not a weakly prime, because it can be changed into another prime (140522422757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70261211228 + 70261211229.

It is an arithmetic number, because the mean of its divisors is an integer number (70261211229).

Almost surely, 2^140522422457 is an apocalyptic number.

It is an amenable number.

140522422457 is a deficient number, since it is larger than the sum of its proper divisors (1).

140522422457 is an equidigital number, since it uses as much as digits as its factorization.

140522422457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 179200, while the sum is 38.

Adding to 140522422457 its reverse (754224225041), we get a palindrome (894746647498).

The spelling of 140522422457 in words is "one hundred forty billion, five hundred twenty-two million, four hundred twenty-two thousand, four hundred fifty-seven".