134451 has 6 divisors (see below), whose sum is σ = 194220. Its totient is φ = 89628.

The previous prime is 134443. The next prime is 134471. The reversal of 134451 is 154431.

It is a happy number.

It is not a de Polignac number, because 134451 - 2³ = 134443 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 7461 + ... + 7478.

It is an arithmetic number, because the mean of its divisors is an integer number (32370).

2¹³⁴⁴⁵¹ is an apocalyptic number.

134451 is a deficient number, since it is larger than the sum of its proper divisors (59769).

134451 is a wasteful number, since it uses less digits than its factorization.

134451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14945 (or 14942 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 134451 is about 366.6756059516. The cubic root of 134451 is about 51.2296449009.

Adding to 134451 its reverse (154431), we get a palindrome (288882).

It can be divided in two parts, 134 and 451, that added together give a palindrome (585).

The spelling of 134451 in words is "one hundred thirty-four thousand, four hundred fifty-one".