140320410121 has 2 divisors, whose sum is σ = 140320410122. Its totient is φ = 140320410120.

The previous prime is 140320410059. The next prime is 140320410151. The reversal of 140320410121 is 121014023041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129736115721 + 10584294400 = 360189^2 + 102880^2 .

It is a cyclic number.

It is not a de Polignac number, because 140320410121 - 2¹¹ = 140320408073 is a prime.

It is not a weakly prime, because it can be changed into another prime (140320410151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70160205060 + 70160205061.

It is an arithmetic number, because the mean of its divisors is an integer number (70160205061).

Almost surely, 2^140320410121 is an apocalyptic number.

It is an amenable number.

140320410121 is a deficient number, since it is larger than the sum of its proper divisors (1).

140320410121 is an equidigital number, since it uses as much as digits as its factorization.

140320410121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 140320410121 its reverse (121014023041), we get a palindrome (261334433162).

The spelling of 140320410121 in words is "one hundred forty billion, three hundred twenty million, four hundred ten thousand, one hundred twenty-one".