134605791 has 24 divisors (see below), whose sum is σ = 205433280. Its totient is φ = 84791616.

The previous prime is 134605771. The next prime is 134605799. The reversal of 134605791 is 197506431.

It is not a de Polignac number, because 134605791 - 2⁵ = 134605759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134605799) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6781 + ... + 17753.

It is an arithmetic number, because the mean of its divisors is an integer number (8559720).

Almost surely, 2^134605791 is an apocalyptic number.

134605791 is a deficient number, since it is larger than the sum of its proper divisors (70827489).

134605791 is a wasteful number, since it uses less digits than its factorization.

134605791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11055 (or 11052 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 134605791 is about 11601.9735821109. The cubic root of 134605791 is about 512.4929728166.

The spelling of 134605791 in words is "one hundred thirty-four million, six hundred five thousand, seven hundred ninety-one".