134481 has 8 divisors (see below), whose sum is σ = 187200. Its totient is φ = 85712.

The previous prime is 134471. The next prime is 134489. The reversal of 134481 is 184431.

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 134481 - 2⁶ = 134417 is a prime.

It is a super-2 number, since 2×134481² = 36170278722, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 134481.

It is not an unprimeable number, because it can be changed into a prime (134489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906 + ... + 1043.

It is an arithmetic number, because the mean of its divisors is an integer number (23400).

2¹³⁴⁴⁸¹ is an apocalyptic number.

It is an amenable number.

134481 is a deficient number, since it is larger than the sum of its proper divisors (52719).

134481 is a wasteful number, since it uses less digits than its factorization.

134481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975.

The product of its digits is 384, while the sum is 21.

The square root of 134481 is about 366.7165117635. The cubic root of 134481 is about 51.2334549012.

The spelling of 134481 in words is "one hundred thirty-four thousand, four hundred eighty-one".