133273 has 8 divisors (see below), whose sum is σ = 154880. Its totient is φ = 112320.

The previous prime is 133271. The next prime is 133277. The reversal of 133273 is 372331.

133273 = T₁₀₂ + T₁₀₃ + ... + T₁₂₂.

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 133273 - 2¹ = 133271 is a prime.

It is a d-powerful number, because it can be written as 1 + 3 + 2¹⁷ + 3 + 7 + 3⁷ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133273.

It is not an unprimeable number, because it can be changed into a prime (133271) 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, 433 + ... + 673.

It is an arithmetic number, because the mean of its divisors is an integer number (19360).

2¹³³²⁷³ is an apocalyptic number.

It is an amenable number.

133273 is a deficient number, since it is larger than the sum of its proper divisors (21607).

133273 is an equidigital number, since it uses as much as digits as its factorization.

133273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327.

The product of its digits is 378, while the sum is 19.

The square root of 133273 is about 365.0657475031. The cubic root of 133273 is about 51.0795886633.

It can be divided in two parts, 133 and 273, that added together give a triangular number (406 = T₂₈).

The spelling of 133273 in words is "one hundred thirty-three thousand, two hundred seventy-three".