134665605 has 32 divisors (see below), whose sum is σ = 239915520. Its totient is φ = 71668800.

The previous prime is 134665577. The next prime is 134665639. The reversal of 134665605 is 506566431.

134665605 is a `hidden beast` number, since 1 + 3 + 46 + 6 + 5 + 605 = 666.

It is not a de Polignac number, because 134665605 - 2⁷ = 134665477 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 134665605.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 93924 + ... + 95346.

It is an arithmetic number, because the mean of its divisors is an integer number (7497360).

Almost surely, 2^134665605 is an apocalyptic number.

134665605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134665605 is a deficient number, since it is larger than the sum of its proper divisors (105249915).

134665605 is a wasteful number, since it uses less digits than its factorization.

134665605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138 (or 2132 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 134665605 is about 11604.5510468954. The cubic root of 134665605 is about 512.5688727587.

The spelling of 134665605 in words is "one hundred thirty-four million, six hundred sixty-five thousand, six hundred five".