133207 has 4 divisors (see below), whose sum is σ = 137536. Its totient is φ = 128880.

The previous prime is 133201. The next prime is 133213. The reversal of 133207 is 702331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702331 = 7 ⋅100333.

It is an interprime number because it is at equal distance from previous prime (133201) and next prime (133213).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133207 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133201) 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 3 ways as a sum of consecutive naturals, for example, 2118 + ... + 2179.

It is an arithmetic number, because the mean of its divisors is an integer number (34384).

2¹³³²⁰⁷ is an apocalyptic number.

133207 is a deficient number, since it is larger than the sum of its proper divisors (4329).

133207 is an equidigital number, since it uses as much as digits as its factorization.

133207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 133207 is about 364.9753416328. The cubic root of 133207 is about 51.0711553234.

Multiplying 133207 by its sum of digits (16), we get a palindrome (2131312).

Adding to 133207 its reverse (702331), we get a palindrome (835538).

The spelling of 133207 in words is "one hundred thirty-three thousand, two hundred seven".