136605541543 has 2 divisors, whose sum is σ = 136605541544. Its totient is φ = 136605541542.

The previous prime is 136605541379. The next prime is 136605541559. The reversal of 136605541543 is 345145506631.

It is a strong prime.

It is an emirp because it is prime and its reverse (345145506631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136605541543 - 2²⁹ = 136068670631 is a prime.

It is a super-2 number, since 2×136605541543² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136605541543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136605541573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68302770771 + 68302770772.

It is an arithmetic number, because the mean of its divisors is an integer number (68302770772).

Almost surely, 2^136605541543 is an apocalyptic number.

136605541543 is a deficient number, since it is larger than the sum of its proper divisors (1).

136605541543 is an equidigital number, since it uses as much as digits as its factorization.

136605541543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 136605541543 in words is "one hundred thirty-six billion, six hundred five million, five hundred forty-one thousand, five hundred forty-three".