135155543 has 2 divisors, whose sum is σ = 135155544. Its totient is φ = 135155542.

The previous prime is 135155533. The next prime is 135155551. The reversal of 135155543 is 345551531.

135155543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135155543 - 2⁶ = 135155479 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135155513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67577771 + 67577772.

It is an arithmetic number, because the mean of its divisors is an integer number (67577772).

Almost surely, 2^135155543 is an apocalyptic number.

135155543 is a deficient number, since it is larger than the sum of its proper divisors (1).

135155543 is an equidigital number, since it uses as much as digits as its factorization.

135155543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22500, while the sum is 32.

The square root of 135155543 is about 11625.6416167023. The cubic root of 135155543 is about 513.1897267471.

The spelling of 135155543 in words is "one hundred thirty-five million, one hundred fifty-five thousand, five hundred forty-three".