134443405 has 8 divisors (see below), whose sum is σ = 162144000. Its totient is φ = 107013456.

The previous prime is 134443367. The next prime is 134443409. The reversal of 134443405 is 504344431.

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 134443405 - 2⁷ = 134443277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134443409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66565 + ... + 68554.

It is an arithmetic number, because the mean of its divisors is an integer number (20268000).

Almost surely, 2^134443405 is an apocalyptic number.

It is an amenable number.

134443405 is a deficient number, since it is larger than the sum of its proper divisors (27700595).

134443405 is a wasteful number, since it uses less digits than its factorization.

134443405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135323.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 134443405 is about 11594.9732643073. The cubic root of 134443405 is about 512.2868024594.

Adding to 134443405 its reverse (504344431), we get a palindrome (638787836).

The spelling of 134443405 in words is "one hundred thirty-four million, four hundred forty-three thousand, four hundred five".