134623289 has 8 divisors (see below), whose sum is σ = 142715808. Its totient is φ = 126550080.

The previous prime is 134623283. The next prime is 134623331. The reversal of 134623289 is 982326431.

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

It is a cyclic number.

It is not a de Polignac number, because 134623289 - 2⁴ = 134623273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134623283) 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, 11054 + ... + 19784.

It is an arithmetic number, because the mean of its divisors is an integer number (17839476).

Almost surely, 2^134623289 is an apocalyptic number.

It is an amenable number.

134623289 is a deficient number, since it is larger than the sum of its proper divisors (8092519).

134623289 is an equidigital number, since it uses as much as digits as its factorization.

134623289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9655.

The product of its digits is 62208, while the sum is 38.

The square root of 134623289 is about 11602.7276534443. The cubic root of 134623289 is about 512.5151789278.

The spelling of 134623289 in words is "one hundred thirty-four million, six hundred twenty-three thousand, two hundred eighty-nine".