134187 has 4 divisors (see below), whose sum is σ = 178920. Its totient is φ = 89456.

The previous prime is 134177. The next prime is 134191. The reversal of 134187 is 781431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134187 - 2⁴ = 134171 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (134177) 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 3 ways as a sum of consecutive naturals, for example, 22362 + ... + 22367.

It is an arithmetic number, because the mean of its divisors is an integer number (44730).

2¹³⁴¹⁸⁷ is an apocalyptic number.

134187 is a deficient number, since it is larger than the sum of its proper divisors (44733).

134187 is an equidigital number, since it uses as much as digits as its factorization.

134187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44732.

The product of its digits is 672, while the sum is 24.

The square root of 134187 is about 366.3154378401. The cubic root of 134187 is about 51.1960924345.

The spelling of 134187 in words is "one hundred thirty-four thousand, one hundred eighty-seven".