134188423 has 8 divisors (see below), whose sum is σ = 142045200. Its totient is φ = 126547008.

The previous prime is 134188391. The next prime is 134188427. The reversal of 134188423 is 324881431.

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 134188423 - 2⁵ = 134188391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134188427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52558 + ... + 55051.

It is an arithmetic number, because the mean of its divisors is an integer number (17755650).

Almost surely, 2^134188423 is an apocalyptic number.

134188423 is a deficient number, since it is larger than the sum of its proper divisors (7856777).

134188423 is a wasteful number, since it uses less digits than its factorization.

134188423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107681.

The product of its digits is 18432, while the sum is 34.

The square root of 134188423 is about 11583.9726777993. The cubic root of 134188423 is about 511.9627340532.

The spelling of 134188423 in words is "one hundred thirty-four million, one hundred eighty-eight thousand, four hundred twenty-three".