134020543 has 4 divisors (see below), whose sum is σ = 134457400. Its totient is φ = 133583688.

The previous prime is 134020541. The next prime is 134020559. The reversal of 134020543 is 345020431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345020431 = 7 ⋅49288633.

It is a cyclic number.

It is not a de Polignac number, because 134020543 - 2¹ = 134020541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134020541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217968 + ... + 218581.

It is an arithmetic number, because the mean of its divisors is an integer number (33614350).

Almost surely, 2^134020543 is an apocalyptic number.

134020543 is a deficient number, since it is larger than the sum of its proper divisors (436857).

134020543 is an equidigital number, since it uses as much as digits as its factorization.

134020543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436856.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 134020543 is about 11576.7241912382. The cubic root of 134020543 is about 511.7491434184.

Adding to 134020543 its reverse (345020431), we get a palindrome (479040974).

The spelling of 134020543 in words is "one hundred thirty-four million, twenty thousand, five hundred forty-three".