134775309 has 8 divisors (see below), whose sum is σ = 181480032. Its totient is φ = 88960400.

The previous prime is 134775307. The next prime is 134775313. The reversal of 134775309 is 903577431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134775309 - 2¹ = 134775307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134775307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222099 + ... + 222704.

It is an arithmetic number, because the mean of its divisors is an integer number (22685004).

Almost surely, 2^134775309 is an apocalyptic number.

It is an amenable number.

134775309 is a deficient number, since it is larger than the sum of its proper divisors (46704723).

134775309 is a wasteful number, since it uses less digits than its factorization.

134775309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444907.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 134775309 is about 11609.2768508637. The cubic root of 134775309 is about 512.7080213637.

The spelling of 134775309 in words is "one hundred thirty-four million, seven hundred seventy-five thousand, three hundred nine".