135602543 has 2 divisors, whose sum is σ = 135602544. Its totient is φ = 135602542.

The previous prime is 135602527. The next prime is 135602581. The reversal of 135602543 is 345206531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135602543 - 2⁴ = 135602527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135602443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67801271 + 67801272.

It is an arithmetic number, because the mean of its divisors is an integer number (67801272).

Almost surely, 2^135602543 is an apocalyptic number.

135602543 is a deficient number, since it is larger than the sum of its proper divisors (1).

135602543 is an equidigital number, since it uses as much as digits as its factorization.

135602543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 135602543 is about 11644.8504928144. The cubic root of 135602543 is about 513.7548617336.

The spelling of 135602543 in words is "one hundred thirty-five million, six hundred two thousand, five hundred forty-three".