133339 has 4 divisors (see below), whose sum is σ = 136224. Its totient is φ = 130456.

The previous prime is 133337. The next prime is 133349. The reversal of 133339 is 933331.

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 133339 - 2¹ = 133337 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (133337) 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, 1372 + ... + 1465.

It is an arithmetic number, because the mean of its divisors is an integer number (34056).

2¹³³³³⁹ is an apocalyptic number.

133339 is a deficient number, since it is larger than the sum of its proper divisors (2885).

133339 is an equidigital number, since it uses as much as digits as its factorization.

133339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884.

The product of its digits is 729, while the sum is 22.

The square root of 133339 is about 365.1561309906. The cubic root of 133339 is about 51.0880192193.

The spelling of 133339 in words is "one hundred thirty-three thousand, three hundred thirty-nine".