133104533 has 4 divisors (see below), whose sum is σ = 133773600. Its totient is φ = 132435468.

The previous prime is 133104487. The next prime is 133104539. The reversal of 133104533 is 335401331.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 335401331 = 53 ⋅6328327.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133104533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133104499 and 133104508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133104539) 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, 334235 + ... + 334632.

It is an arithmetic number, because the mean of its divisors is an integer number (33443400).

Almost surely, 2^133104533 is an apocalyptic number.

It is an amenable number.

133104533 is a deficient number, since it is larger than the sum of its proper divisors (669067).

133104533 is an equidigital number, since it uses as much as digits as its factorization.

133104533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669066.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 133104533 is about 11537.0937848316. The cubic root of 133104533 is about 510.5805678636.

Adding to 133104533 its reverse (335401331), we get a palindrome (468505864).

The spelling of 133104533 in words is "one hundred thirty-three million, one hundred four thousand, five hundred thirty-three".