134660 has 12 divisors (see below), whose sum is σ = 282828. Its totient is φ = 53856.

The previous prime is 134639. The next prime is 134669. The reversal of 134660 is 66431.

It can be written as a sum of positive squares in 2 ways, for example, as 103684 + 30976 = 322^2 + 176^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 6733 = 134660 / (1 + 3 + 4 + 6 + 6 + 0).

It is not an unprimeable number, because it can be changed into a prime (134669) by changing a digit.

134660 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3347 + ... + 3386.

It is an arithmetic number, because the mean of its divisors is an integer number (23569).

2¹³⁴⁶⁶⁰ is an apocalyptic number.

134660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134660 is an abundant number, since it is smaller than the sum of its proper divisors (148168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134660 is a wasteful number, since it uses less digits than its factorization.

134660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6742 (or 6740 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 134660 is about 366.9604883363. The cubic root of 134660 is about 51.2561761345.

The spelling of 134660 in words is "one hundred thirty-four thousand, six hundred sixty".