134985 has 8 divisors (see below), whose sum is σ = 216000. Its totient is φ = 71984.

The previous prime is 134951. The next prime is 134989. The reversal of 134985 is 589431.

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 134985 - 2⁶ = 134921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134989) 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, 4485 + ... + 4514.

It is an arithmetic number, because the mean of its divisors is an integer number (27000).

2¹³⁴⁹⁸⁵ is an apocalyptic number.

134985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134985 is a deficient number, since it is larger than the sum of its proper divisors (81015).

134985 is an equidigital number, since it uses as much as digits as its factorization.

134985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9007.

The product of its digits is 4320, while the sum is 30.

The square root of 134985 is about 367.4030484359. The cubic root of 134985 is about 51.2973783567.

The spelling of 134985 in words is "one hundred thirty-four thousand, nine hundred eighty-five".