133727 has 4 divisors (see below), whose sum is σ = 145896. Its totient is φ = 121560.

The previous prime is 133723. The next prime is 133733. The reversal of 133727 is 727331.

133727 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133727 - 2² = 133723 is a prime.

It is a d-powerful number, because it can be written as 1 + 3 + 7 + 3⁵ + 2¹⁷ + 7⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6068 + ... + 6089.

It is an arithmetic number, because the mean of its divisors is an integer number (36474).

2¹³³⁷²⁷ is an apocalyptic number.

133727 is a deficient number, since it is larger than the sum of its proper divisors (12169).

133727 is a wasteful number, since it uses less digits than its factorization.

133727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12168.

The product of its digits is 882, while the sum is 23.

The square root of 133727 is about 365.6870246536. The cubic root of 133727 is about 51.1375245049.

The spelling of 133727 in words is "one hundred thirty-three thousand, seven hundred twenty-seven".