134181 has 12 divisors (see below), whose sum is σ = 205452. Its totient is φ = 84096.

The previous prime is 134177. The next prime is 134191. The reversal of 134181 is 181431.

It can be written as a sum of positive squares in 2 ways, for example, as 108900 + 25281 = 330^2 + 159^2 .

It is not a de Polignac number, because 134181 - 2² = 134177 is a prime.

It is a super-2 number, since 2×134181² = 36009081522, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 134181.

It is not an unprimeable number, because it can be changed into a prime (134161) 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, 286 + ... + 591.

It is an arithmetic number, because the mean of its divisors is an integer number (17121).

2¹³⁴¹⁸¹ is an apocalyptic number.

It is an amenable number.

134181 is a deficient number, since it is larger than the sum of its proper divisors (71271).

134181 is a wasteful number, since it uses less digits than its factorization.

134181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 897 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 134181 is about 366.3072480855. The cubic root of 134181 is about 51.1953293672.

The spelling of 134181 in words is "one hundred thirty-four thousand, one hundred eighty-one".