134671805 has 16 divisors (see below), whose sum is σ = 164026944. Its totient is φ = 106135680.

The previous prime is 134671777. The next prime is 134671811. The reversal of 134671805 is 508176431.

It is not a de Polignac number, because 134671805 - 2²⁶ = 67562941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112289 + ... + 113481.

It is an arithmetic number, because the mean of its divisors is an integer number (10251684).

Almost surely, 2^134671805 is an apocalyptic number.

It is an amenable number.

134671805 is a deficient number, since it is larger than the sum of its proper divisors (29355139).

134671805 is a wasteful number, since it uses less digits than its factorization.

134671805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 134671805 is about 11604.8181803939. The cubic root of 134671805 is about 512.5767388560.

The spelling of 134671805 in words is "one hundred thirty-four million, six hundred seventy-one thousand, eight hundred five".