134306566 has 4 divisors (see below), whose sum is σ = 201459852. Its totient is φ = 67153282.

The previous prime is 134306563. The next prime is 134306581. The reversal of 134306566 is 665603431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 665603431 = 17 ⋅39153143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134306561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33576640 + ... + 33576643.

It is an arithmetic number, because the mean of its divisors is an integer number (50364963).

Almost surely, 2^134306566 is an apocalyptic number.

134306566 is a deficient number, since it is larger than the sum of its proper divisors (67153286).

134306566 is an equidigital number, since it uses as much as digits as its factorization.

134306566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67153285.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 134306566 is about 11589.0709722566. The cubic root of 134306566 is about 512.1129384444.

Adding to 134306566 its reverse (665603431), we get a palindrome (799909997).

The spelling of 134306566 in words is "one hundred thirty-four million, three hundred six thousand, five hundred sixty-six".