140440320241057 has 2 divisors, whose sum is σ = 140440320241058. Its totient is φ = 140440320241056.

The previous prime is 140440320241003. The next prime is 140440320241061. The reversal of 140440320241057 is 750142023044041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132144313123216 + 8296007117841 = 11495404^2 + 2880279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140440320241057 is a prime.

It is not a weakly prime, because it can be changed into another prime (140440320241657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70220160120528 + 70220160120529.

It is an arithmetic number, because the mean of its divisors is an integer number (70220160120529).

Almost surely, 2^{140440320241057} is an apocalyptic number.

It is an amenable number.

140440320241057 is a deficient number, since it is larger than the sum of its proper divisors (1).

140440320241057 is an equidigital number, since it uses as much as digits as its factorization.

140440320241057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 37.

Adding to 140440320241057 its reverse (750142023044041), we get a palindrome (890582343285098).

The spelling of 140440320241057 in words is "one hundred forty trillion, four hundred forty billion, three hundred twenty million, two hundred forty-one thousand, fifty-seven".