133118433 has 24 divisors (see below), whose sum is σ = 226843136. Its totient is φ = 73612800.

The previous prime is 133118417. The next prime is 133118437. The reversal of 133118433 is 334811331.

It is not a de Polignac number, because 133118433 - 2⁴ = 133118417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133118397 and 133118406.

It is not an unprimeable number, because it can be changed into a prime (133118437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32128 + ... + 36033.

Almost surely, 2^133118433 is an apocalyptic number.

It is an amenable number.

133118433 is a deficient number, since it is larger than the sum of its proper divisors (93724703).

133118433 is a wasteful number, since it uses less digits than its factorization.

133118433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68205 (or 68202 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 133118433 is about 11537.6961738468. The cubic root of 133118433 is about 510.5983404185.

Adding to 133118433 its reverse (334811331), we get a palindrome (467929764).

The spelling of 133118433 in words is "one hundred thirty-three million, one hundred eighteen thousand, four hundred thirty-three".