140042240320313 has 2 divisors, whose sum is σ = 140042240320314. Its totient is φ = 140042240320312.

The previous prime is 140042240320271. The next prime is 140042240320321. The reversal of 140042240320313 is 313023042240041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134662749207184 + 5379491113129 = 11604428^2 + 2319373^2 .

It is a cyclic number.

It is not a de Polignac number, because 140042240320313 - 2¹² = 140042240316217 is a prime.

It is a super-2 number, since 2×140042240320313² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140042240320393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70021120160156 + 70021120160157.

It is an arithmetic number, because the mean of its divisors is an integer number (70021120160157).

Almost surely, 2^{140042240320313} is an apocalyptic number.

It is an amenable number.

140042240320313 is a deficient number, since it is larger than the sum of its proper divisors (1).

140042240320313 is an equidigital number, since it uses as much as digits as its factorization.

140042240320313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 140042240320313 its reverse (313023042240041), we get a palindrome (453065282560354).

The spelling of 140042240320313 in words is "one hundred forty trillion, forty-two billion, two hundred forty million, three hundred twenty thousand, three hundred thirteen".