133348 has 24 divisors (see below), whose sum is σ = 258552. Its totient is φ = 59904.

The previous prime is 133337. The next prime is 133349. The reversal of 133348 is 843331.

It can be written as a sum of positive squares in 4 ways, for example, as 79524 + 53824 = 282^2 + 232^2 .

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (133349) by changing a digit.

133348 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2490 + ... + 2542.

It is an arithmetic number, because the mean of its divisors is an integer number (10773).

2¹³³³⁴⁸ is an apocalyptic number.

It is an amenable number.

133348 is a deficient number, since it is larger than the sum of its proper divisors (125204).

133348 is a wasteful number, since it uses less digits than its factorization.

133348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 109 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 133348 is about 365.1684542783. The cubic root of 133348 is about 51.0891686251.

Adding to 133348 its reverse (843331), we get a palindrome (976679).

The spelling of 133348 in words is "one hundred thirty-three thousand, three hundred forty-eight".