140124450517 has 2 divisors, whose sum is σ = 140124450518. Its totient is φ = 140124450516.

The previous prime is 140124450509. The next prime is 140124450547. The reversal of 140124450517 is 715054421041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131398275121 + 8726175396 = 362489^2 + 93414^2 .

It is an emirp because it is prime and its reverse (715054421041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140124450517 - 2³ = 140124450509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140124450547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70062225258 + 70062225259.

It is an arithmetic number, because the mean of its divisors is an integer number (70062225259).

Almost surely, 2^140124450517 is an apocalyptic number.

It is an amenable number.

140124450517 is a deficient number, since it is larger than the sum of its proper divisors (1).

140124450517 is an equidigital number, since it uses as much as digits as its factorization.

140124450517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 34.

Adding to 140124450517 its reverse (715054421041), we get a palindrome (855178871558).

The spelling of 140124450517 in words is "one hundred forty billion, one hundred twenty-four million, four hundred fifty thousand, five hundred seventeen".