134730 has 32 divisors (see below), whose sum is σ = 360000. Its totient is φ = 35856.

The previous prime is 134707. The next prime is 134731. The reversal of 134730 is 37431.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134731) 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 15 ways as a sum of consecutive naturals, for example, 21 + ... + 519.

It is an arithmetic number, because the mean of its divisors is an integer number (11250).

2¹³⁴⁷³⁰ is an apocalyptic number.

134730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 134730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180000).

134730 is an abundant number, since it is smaller than the sum of its proper divisors (225270).

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

134730 is a wasteful number, since it uses less digits than its factorization.

134730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 134730 is about 367.0558540604. The cubic root of 134730 is about 51.2650560563.

The spelling of 134730 in words is "one hundred thirty-four thousand, seven hundred thirty".