134403 has 8 divisors (see below), whose sum is σ = 182016. Its totient is φ = 88200.

The previous prime is 134401. The next prime is 134417. The reversal of 134403 is 304431.

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

It is not a de Polignac number, because 134403 - 2¹ = 134401 is a prime.

It is an Ulam number.

134403 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (134401) 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, 103 + ... + 528.

It is an arithmetic number, because the mean of its divisors is an integer number (22752).

2¹³⁴⁴⁰³ is an apocalyptic number.

134403 is a deficient number, since it is larger than the sum of its proper divisors (47613).

134403 is an equidigital number, since it uses as much as digits as its factorization.

134403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 134403 is about 366.6101471591. The cubic root of 134403 is about 51.2235477214.

Adding to 134403 its reverse (304431), we get a palindrome (438834).

The spelling of 134403 in words is "one hundred thirty-four thousand, four hundred three".