134308689 has 8 divisors (see below), whose sum is σ = 180851712. Its totient is φ = 88652400.

The previous prime is 134308639. The next prime is 134308703. The reversal of 134308689 is 986803431.

It is a happy number.

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

It is not a de Polignac number, because 134308689 - 2¹² = 134304593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134308689.

It is not an unprimeable number, because it can be changed into a prime (134308609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221329 + ... + 221934.

It is an arithmetic number, because the mean of its divisors is an integer number (22606464).

Almost surely, 2^134308689 is an apocalyptic number.

It is an amenable number.

134308689 is a deficient number, since it is larger than the sum of its proper divisors (46543023).

134308689 is a wasteful number, since it uses less digits than its factorization.

134308689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443367.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 134308689 is about 11589.1625668122. The cubic root of 134308689 is about 512.1156367738.

The spelling of 134308689 in words is "one hundred thirty-four million, three hundred eight thousand, six hundred eighty-nine".