135887543 has 8 divisors (see below), whose sum is σ = 148325376. Its totient is φ = 123463800.

The previous prime is 135887537. The next prime is 135887567. The reversal of 135887543 is 345788531.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 135887543 - 2⁸ = 135887287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135887494 and 135887503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135877543) 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, 35480 + ... + 39122.

It is an arithmetic number, because the mean of its divisors is an integer number (18540672).

Almost surely, 2^135887543 is an apocalyptic number.

135887543 is a deficient number, since it is larger than the sum of its proper divisors (12437833).

135887543 is a wasteful number, since it uses less digits than its factorization.

135887543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7045.

The product of its digits is 403200, while the sum is 44.

The square root of 135887543 is about 11657.0812384576. The cubic root of 135887543 is about 514.1145346261.

The spelling of 135887543 in words is "one hundred thirty-five million, eight hundred eighty-seven thousand, five hundred forty-three".