135612543 has 32 divisors (see below), whose sum is σ = 204083712. Its totient is φ = 79385600.

The previous prime is 135612523. The next prime is 135612563. The reversal of 135612543 is 345216531.

It is an interprime number because it is at equal distance from previous prime (135612523) and next prime (135612563).

It is a cyclic number.

It is not a de Polignac number, because 135612543 - 2⁶ = 135612479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135612543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135612523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152446 + ... + 153332.

It is an arithmetic number, because the mean of its divisors is an integer number (6377616).

Almost surely, 2^135612543 is an apocalyptic number.

135612543 is a deficient number, since it is larger than the sum of its proper divisors (68471169).

135612543 is a wasteful number, since it uses less digits than its factorization.

135612543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055.

The product of its digits is 10800, while the sum is 30.

The square root of 135612543 is about 11645.2798592391. The cubic root of 135612543 is about 513.7674903619.

The spelling of 135612543 in words is "one hundred thirty-five million, six hundred twelve thousand, five hundred forty-three".