134806305 has 16 divisors (see below), whose sum is σ = 216212544. Its totient is φ = 71722560.

The previous prime is 134806291. The next prime is 134806313. The reversal of 134806305 is 503608431.

It is not a de Polignac number, because 134806305 - 2⁹ = 134805793 is a prime.

It is an unprimeable number.

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, 4359 + ... + 16988.

It is an arithmetic number, because the mean of its divisors is an integer number (13513284).

Almost surely, 2^134806305 is an apocalyptic number.

134806305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134806305 is a deficient number, since it is larger than the sum of its proper divisors (81406239).

134806305 is a wasteful number, since it uses less digits than its factorization.

134806305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21776.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 134806305 is about 11610.6117409894. The cubic root of 134806305 is about 512.7473230227.

The spelling of 134806305 in words is "one hundred thirty-four million, eight hundred six thousand, three hundred five".