140038338299789 has 2 divisors, whose sum is σ = 140038338299790. Its totient is φ = 140038338299788.

The previous prime is 140038338299711. The next prime is 140038338299809. The reversal of 140038338299789 is 987992833830041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119393428492900 + 20644909806889 = 10926730^2 + 4543667^2 .

It is a cyclic number.

It is not a de Polignac number, because 140038338299789 - 2¹⁶ = 140038338234253 is a prime.

It is a super-2 number, since 2×140038338299789² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140038338296789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70019169149894 + 70019169149895.

It is an arithmetic number, because the mean of its divisors is an integer number (70019169149895).

Almost surely, 2^{140038338299789} is an apocalyptic number.

It is an amenable number.

140038338299789 is a deficient number, since it is larger than the sum of its proper divisors (1).

140038338299789 is an equidigital number, since it uses as much as digits as its factorization.

140038338299789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564350976, while the sum is 74.

The spelling of 140038338299789 in words is "one hundred forty trillion, thirty-eight billion, three hundred thirty-eight million, two hundred ninety-nine thousand, seven hundred eighty-nine".