134679609 has 12 divisors (see below), whose sum is σ = 194727936. Its totient is φ = 89698392.

The previous prime is 134679583. The next prime is 134679617. The reversal of 134679609 is 906976431.

134679609 is a `hidden beast` number, since 1 + 34 + 6 + 7 + 9 + 609 = 666.

It is not a de Polignac number, because 134679609 - 2⁵ = 134679577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134679109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3144 + ... + 16710.

It is an arithmetic number, because the mean of its divisors is an integer number (16227328).

Almost surely, 2^134679609 is an apocalyptic number.

It is an amenable number.

134679609 is a deficient number, since it is larger than the sum of its proper divisors (60048327).

134679609 is a wasteful number, since it uses less digits than its factorization.

134679609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14676 (or 14673 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 134679609 is about 11605.1544151726. The cubic root of 134679609 is about 512.5866396456.

The spelling of 134679609 in words is "one hundred thirty-four million, six hundred seventy-nine thousand, six hundred nine".