134309605 has 16 divisors (see below), whose sum is σ = 171013680. Its totient is φ = 100913152.

The previous prime is 134309603. The next prime is 134309611. The reversal of 134309605 is 506903431.

It can be written as a sum of positive squares in 8 ways, for example, as 11498881 + 122810724 = 3391^2 + 11082^2 .

It is a cyclic number.

It is not a de Polignac number, because 134309605 - 2¹ = 134309603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134309603) 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 15 ways as a sum of consecutive naturals, for example, 46977 + ... + 49753.

It is an arithmetic number, because the mean of its divisors is an integer number (10688355).

Almost surely, 2^134309605 is an apocalyptic number.

It is an amenable number.

134309605 is a deficient number, since it is larger than the sum of its proper divisors (36704075).

134309605 is a wasteful number, since it uses less digits than its factorization.

134309605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 134309605 is about 11589.2020864251. The cubic root of 134309605 is about 512.1168009994.

The spelling of 134309605 in words is "one hundred thirty-four million, three hundred nine thousand, six hundred five".