7140065840309 has 2 divisors, whose sum is σ = 7140065840310. Its totient is φ = 7140065840308.

The previous prime is 7140065840197. The next prime is 7140065840339. The reversal of 7140065840309 is 9030485600417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7042537673284 + 97528167025 = 2653778^2 + 312295^2 .

It is a cyclic number.

It is not a de Polignac number, because 7140065840309 - 2²⁰ = 7140064791733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7140065840339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3570032920154 + 3570032920155.

It is an arithmetic number, because the mean of its divisors is an integer number (3570032920155).

Almost surely, 2^{7140065840309} is an apocalyptic number.

It is an amenable number.

7140065840309 is a deficient number, since it is larger than the sum of its proper divisors (1).

7140065840309 is an equidigital number, since it uses as much as digits as its factorization.

7140065840309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 7140065840309 in words is "seven trillion, one hundred forty billion, sixty-five million, eight hundred forty thousand, three hundred nine".