134687 has 8 divisors (see below), whose sum is σ = 156672. Its totient is φ = 113400.

The previous prime is 134683. The next prime is 134699. The reversal of 134687 is 786431.

134687 is nontrivially palindromic in base 15.

134687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 134687 - 2² = 134683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134681) 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, 362 + ... + 632.

It is an arithmetic number, because the mean of its divisors is an integer number (19584).

2¹³⁴⁶⁸⁷ is an apocalyptic number.

134687 is a deficient number, since it is larger than the sum of its proper divisors (21985).

134687 is an equidigital number, since it uses as much as digits as its factorization.

134687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349.

The product of its digits is 4032, while the sum is 29.

The square root of 134687 is about 366.9972751942. The cubic root of 134687 is about 51.2596016117.

The spelling of 134687 in words is "one hundred thirty-four thousand, six hundred eighty-seven".