134406 has 32 divisors (see below), whose sum is σ = 316800. Its totient is φ = 42120.

The previous prime is 134401. The next prime is 134417. The reversal of 134406 is 604431.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134401) by changing a digit.

134406 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 961 + ... + 1091.

It is an arithmetic number, because the mean of its divisors is an integer number (9900).

2¹³⁴⁴⁰⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158400).

134406 is an abundant number, since it is smaller than the sum of its proper divisors (182394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134406 is a wasteful number, since it uses less digits than its factorization.

134406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 134406 is about 366.6142386760. The cubic root of 134406 is about 51.2239288377.

Adding to 134406 its reverse (604431), we get a palindrome (738837).

The spelling of 134406 in words is "one hundred thirty-four thousand, four hundred six".