1540514343013 has 2 divisors, whose sum is σ = 1540514343014. Its totient is φ = 1540514343012.

The previous prime is 1540514343007. The next prime is 1540514343029. The reversal of 1540514343013 is 3103434150451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1015674949249 + 524839393764 = 1007807^2 + 724458^2 .

It is a cyclic number.

It is not a de Polignac number, because 1540514343013 - 2⁵ = 1540514342981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1540514343013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1540514343913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770257171506 + 770257171507.

It is an arithmetic number, because the mean of its divisors is an integer number (770257171507).

Almost surely, 2^{1540514343013} is an apocalyptic number.

It is an amenable number.

1540514343013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1540514343013 is an equidigital number, since it uses as much as digits as its factorization.

1540514343013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 1540514343013 its reverse (3103434150451), we get a palindrome (4643948493464).

The spelling of 1540514343013 in words is "one trillion, five hundred forty billion, five hundred fourteen million, three hundred forty-three thousand, thirteen".