134540 has 36 divisors (see below), whose sum is σ = 333648. Its totient is φ = 44640.

The previous prime is 134513. The next prime is 134581. The reversal of 134540 is 45431.

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4325 + ... + 4355.

It is an arithmetic number, because the mean of its divisors is an integer number (9268).

2¹³⁴⁵⁴⁰ is an apocalyptic number.

134540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166824).

134540 is an abundant number, since it is smaller than the sum of its proper divisors (199108).

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

134540 is a wasteful number, since it uses less digits than its factorization.

134540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 134540 is about 366.7969465522. The cubic root of 134540 is about 51.2409462492.

Adding to 134540 its reverse (45431), we get a palindrome (179971).

The spelling of 134540 in words is "one hundred thirty-four thousand, five hundred forty".