134528785 has 4 divisors (see below), whose sum is σ = 161434548. Its totient is φ = 107623024.

The previous prime is 134528753. The next prime is 134528813. The reversal of 134528785 is 587825431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83777409 + 50751376 = 9153^2 + 7124^2 .

It is a cyclic number.

It is not a de Polignac number, because 134528785 - 2⁵ = 134528753 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 13452874 + ... + 13452883.

It is an arithmetic number, because the mean of its divisors is an integer number (40358637).

Almost surely, 2^134528785 is an apocalyptic number.

It is an amenable number.

134528785 is a deficient number, since it is larger than the sum of its proper divisors (26905763).

134528785 is an equidigital number, since it uses as much as digits as its factorization.

134528785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26905762.

The product of its digits is 268800, while the sum is 43.

The square root of 134528785 is about 11598.6544478228. The cubic root of 134528785 is about 512.3952242682.

The spelling of 134528785 in words is "one hundred thirty-four million, five hundred twenty-eight thousand, seven hundred eighty-five".