135660543 has 8 divisors (see below), whose sum is σ = 180934656. Its totient is φ = 90413400.

The previous prime is 135660541. The next prime is 135660559. The reversal of 135660543 is 345066531.

135660543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135660543 - 2¹ = 135660541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135660541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15208 + ... + 22418.

It is an arithmetic number, because the mean of its divisors is an integer number (22616832).

Almost surely, 2^135660543 is an apocalyptic number.

135660543 is a deficient number, since it is larger than the sum of its proper divisors (45274113).

135660543 is an equidigital number, since it uses as much as digits as its factorization.

135660543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13485.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 135660543 is about 11647.3405977502. The cubic root of 135660543 is about 513.8280991374.

The spelling of 135660543 in words is "one hundred thirty-five million, six hundred sixty thousand, five hundred forty-three".