134715309 has 8 divisors (see below), whose sum is σ = 179699520. Its totient is φ = 89770656.

The previous prime is 134715307. The next prime is 134715311. The reversal of 134715309 is 903517431.

134715309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (134715307) and next prime (134715311).

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

It is not a de Polignac number, because 134715309 - 2¹ = 134715307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134715309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134715307) 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, 729 + ... + 16430.

It is an arithmetic number, because the mean of its divisors is an integer number (22462440).

Almost surely, 2^134715309 is an apocalyptic number.

It is an amenable number.

134715309 is a deficient number, since it is larger than the sum of its proper divisors (44984211).

134715309 is a wasteful number, since it uses less digits than its factorization.

134715309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19779.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 134715309 is about 11606.6924229084. The cubic root of 134715309 is about 512.6319266951.

The spelling of 134715309 in words is "one hundred thirty-four million, seven hundred fifteen thousand, three hundred nine".