1140420535343 has 2 divisors, whose sum is σ = 1140420535344. Its totient is φ = 1140420535342.

The previous prime is 1140420535291. The next prime is 1140420535367. The reversal of 1140420535343 is 3435350240411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1140420535343 - 2¹² = 1140420531247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140420135343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570210267671 + 570210267672.

It is an arithmetic number, because the mean of its divisors is an integer number (570210267672).

Almost surely, 2^{1140420535343} is an apocalyptic number.

1140420535343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140420535343 is an equidigital number, since it uses as much as digits as its factorization.

1140420535343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 1140420535343 its reverse (3435350240411), we get a palindrome (4575770775754).

The spelling of 1140420535343 in words is "one trillion, one hundred forty billion, four hundred twenty million, five hundred thirty-five thousand, three hundred forty-three".