134543005 has 4 divisors (see below), whose sum is σ = 161451612. Its totient is φ = 107634400.

The previous prime is 134542979. The next prime is 134543021. The reversal of 134543005 is 500345431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32512804 + 102030201 = 5702^2 + 10101^2 .

It is not a de Polignac number, because 134543005 - 2⁵ = 134542973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13454296 + ... + 13454305.

It is an arithmetic number, because the mean of its divisors is an integer number (40362903).

Almost surely, 2^134543005 is an apocalyptic number.

It is an amenable number.

134543005 is a deficient number, since it is larger than the sum of its proper divisors (26908607).

134543005 is an equidigital number, since it uses as much as digits as its factorization.

134543005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26908606.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 134543005 is about 11599.2674337649. The cubic root of 134543005 is about 512.4132774141.

Adding to 134543005 its reverse (500345431), we get a palindrome (634888436).

The spelling of 134543005 in words is "one hundred thirty-four million, five hundred forty-three thousand, five".