140353113204121 has 2 divisors, whose sum is σ = 140353113204122. Its totient is φ = 140353113204120.

The previous prime is 140353113203971. The next prime is 140353113204169. The reversal of 140353113204121 is 121402311353041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114615866574400 + 25737246629721 = 10705880^2 + 5073189^2 .

It is an emirp because it is prime and its reverse (121402311353041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140353113204121 - 2⁹ = 140353113203609 is a prime.

It is a super-2 number, since 2×140353113204121² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140353113201121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70176556602060 + 70176556602061.

It is an arithmetic number, because the mean of its divisors is an integer number (70176556602061).

Almost surely, 2^{140353113204121} is an apocalyptic number.

It is an amenable number.

140353113204121 is a deficient number, since it is larger than the sum of its proper divisors (1).

140353113204121 is an equidigital number, since it uses as much as digits as its factorization.

140353113204121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 140353113204121 its reverse (121402311353041), we get a palindrome (261755424557162).

The spelling of 140353113204121 in words is "one hundred forty trillion, three hundred fifty-three billion, one hundred thirteen million, two hundred four thousand, one hundred twenty-one".