134008605 has 24 divisors (see below), whose sum is σ = 233987832. Its totient is φ = 70946304.

The previous prime is 134008591. The next prime is 134008613. The reversal of 134008605 is 506800431.

134008605 is a `hidden beast` number, since 13 + 40 + 0 + 8 + 605 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1159929 + 132848676 = 1077^2 + 11526^2 .

It is not a de Polignac number, because 134008605 - 2¹⁰ = 134007581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4704 + ... + 17033.

It is an arithmetic number, because the mean of its divisors is an integer number (9749493).

Almost surely, 2^134008605 is an apocalyptic number.

134008605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134008605 is a deficient number, since it is larger than the sum of its proper divisors (99979227).

134008605 is a wasteful number, since it uses less digits than its factorization.

134008605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21885 (or 21882 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 134008605 is about 11576.2085762135. The cubic root of 134008605 is about 511.7339481293.

The spelling of 134008605 in words is "one hundred thirty-four million, eight thousand, six hundred five".