140350242324521 has 2 divisors, whose sum is σ = 140350242324522. Its totient is φ = 140350242324520.

The previous prime is 140350242324469. The next prime is 140350242324637. The reversal of 140350242324521 is 125423242053041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95584253958400 + 44765988366121 = 9776720^2 + 6690739^2 .

It is a cyclic number.

It is not a de Polignac number, because 140350242324521 - 2³⁴ = 140333062455337 is a prime.

It is not a weakly prime, because it can be changed into another prime (140350242327521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70175121162260 + 70175121162261.

It is an arithmetic number, because the mean of its divisors is an integer number (70175121162261).

Almost surely, 2^{140350242324521} is an apocalyptic number.

It is an amenable number.

140350242324521 is a deficient number, since it is larger than the sum of its proper divisors (1).

140350242324521 is an equidigital number, since it uses as much as digits as its factorization.

140350242324521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 140350242324521 its reverse (125423242053041), we get a palindrome (265773484377562).

The spelling of 140350242324521 in words is "one hundred forty trillion, three hundred fifty billion, two hundred forty-two million, three hundred twenty-four thousand, five hundred twenty-one".