134667789 has 8 divisors (see below), whose sum is σ = 182237280. Its totient is φ = 88438416.

The previous prime is 134667773. The next prime is 134667791. The reversal of 134667789 is 987766431.

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

It is not a de Polignac number, because 134667789 - 2⁴ = 134667773 is a prime.

It is a Curzon number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134667089) 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, 334794 + ... + 335195.

It is an arithmetic number, because the mean of its divisors is an integer number (22779660).

Almost surely, 2^134667789 is an apocalyptic number.

It is an amenable number.

134667789 is a deficient number, since it is larger than the sum of its proper divisors (47569491).

134667789 is an equidigital number, since it uses as much as digits as its factorization.

134667789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670059.

The product of its digits is 1524096, while the sum is 51.

The square root of 134667789 is about 11604.6451475261. The cubic root of 134667789 is about 512.5716436825.

The spelling of 134667789 in words is "one hundred thirty-four million, six hundred sixty-seven thousand, seven hundred eighty-nine".