134181423 has 12 divisors (see below), whose sum is σ = 200070208. Its totient is φ = 86568480.

The previous prime is 134181407. The next prime is 134181431. The reversal of 134181423 is 324181431.

It is not a de Polignac number, because 134181423 - 2⁴ = 134181407 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 (134181623) 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, 240190 + ... + 240747.

Almost surely, 2^134181423 is an apocalyptic number.

134181423 is a deficient number, since it is larger than the sum of its proper divisors (65888785).

134181423 is a wasteful number, since it uses less digits than its factorization.

134181423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480974 (or 480971 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 134181423 is about 11583.6705322622. The cubic root of 134181423 is about 511.9538316423.

It can be divided in two parts, 13418 and 1423, that added together give a palindrome (14841).

The spelling of 134181423 in words is "one hundred thirty-four million, one hundred eighty-one thousand, four hundred twenty-three".