135500543 has 2 divisors, whose sum is σ = 135500544. Its totient is φ = 135500542.

The previous prime is 135500539. The next prime is 135500569. The reversal of 135500543 is 345005531.

It is an a-pointer prime, because the next prime (135500569) can be obtained adding 135500543 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135500543 - 2² = 135500539 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135500503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67750271 + 67750272.

It is an arithmetic number, because the mean of its divisors is an integer number (67750272).

Almost surely, 2^135500543 is an apocalyptic number.

135500543 is a deficient number, since it is larger than the sum of its proper divisors (1).

135500543 is an equidigital number, since it uses as much as digits as its factorization.

135500543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 135500543 is about 11640.4700506466. The cubic root of 135500543 is about 513.6260142469.

The spelling of 135500543 in words is "one hundred thirty-five million, five hundred thousand, five hundred forty-three".