134773811 has 4 divisors (see below), whose sum is σ = 135066624. Its totient is φ = 134481000.

The previous prime is 134773799. The next prime is 134773819. The reversal of 134773811 is 118377431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 118377431 = 2797 ⋅42323.

It is a cyclic number.

It is not a de Polignac number, because 134773811 - 2²² = 130579507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134773819) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 145715 + ... + 146636.

It is an arithmetic number, because the mean of its divisors is an integer number (33766656).

Almost surely, 2^134773811 is an apocalyptic number.

134773811 is a deficient number, since it is larger than the sum of its proper divisors (292813).

134773811 is an equidigital number, since it uses as much as digits as its factorization.

134773811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292812.

The product of its digits is 14112, while the sum is 35.

The square root of 134773811 is about 11609.2123333153. The cubic root of 134773811 is about 512.7061218084.

The spelling of 134773811 in words is "one hundred thirty-four million, seven hundred seventy-three thousand, eight hundred eleven".