543135542 has 4 divisors (see below), whose sum is σ = 814703316. Its totient is φ = 271567770.

The previous prime is 543135529. The next prime is 543135557. The reversal of 543135542 is 245531345.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245531345 = 5 ⋅49106269.

It is a junction number, because it is equal to n+sod(n) for n = 543135499 and 543135508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135783884 + ... + 135783887.

It is an arithmetic number, because the mean of its divisors is an integer number (203675829).

Almost surely, 2^543135542 is an apocalyptic number.

543135542 is a deficient number, since it is larger than the sum of its proper divisors (271567774).

543135542 is a wasteful number, since it uses less digits than its factorization.

543135542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271567773.

The product of its digits is 36000, while the sum is 32.

The square root of 543135542 is about 23305.2685459747. The cubic root of 543135542 is about 815.8983868008.

Adding to 543135542 its reverse (245531345), we get a palindrome (788666887).

The spelling of 543135542 in words is "five hundred forty-three million, one hundred thirty-five thousand, five hundred forty-two".