134159905 has 16 divisors (see below), whose sum is σ = 176295168. Its totient is φ = 97200000.

The previous prime is 134159899. The next prime is 134159939. The reversal of 134159905 is 509951431.

It is a happy number.

It is not a de Polignac number, because 134159905 - 2⁷ = 134159777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10405 + ... + 19405.

It is an arithmetic number, because the mean of its divisors is an integer number (11018448).

Almost surely, 2^134159905 is an apocalyptic number.

It is an amenable number.

134159905 is a deficient number, since it is larger than the sum of its proper divisors (42135263).

134159905 is a wasteful number, since it uses less digits than its factorization.

134159905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9288.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 134159905 is about 11582.7416875280. The cubic root of 134159905 is about 511.9264636921.

The spelling of 134159905 in words is "one hundred thirty-four million, one hundred fifty-nine thousand, nine hundred five".