133357 has 4 divisors (see below), whose sum is σ = 152416. Its totient is φ = 114300.

The previous prime is 133351. The next prime is 133379. The reversal of 133357 is 753331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133357 - 2³ = 133349 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133351) 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, 9519 + ... + 9532.

It is an arithmetic number, because the mean of its divisors is an integer number (38104).

2¹³³³⁵⁷ is an apocalyptic number.

It is an amenable number.

133357 is a deficient number, since it is larger than the sum of its proper divisors (19059).

133357 is an equidigital number, since it uses as much as digits as its factorization.

133357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19058.

The product of its digits is 945, while the sum is 22.

The square root of 133357 is about 365.1807771502. The cubic root of 133357 is about 51.0903179791.

Adding to 133357 its reverse (753331), we get a palindrome (886688).

The spelling of 133357 in words is "one hundred thirty-three thousand, three hundred fifty-seven".