133502033 has 4 divisors (see below), whose sum is σ = 152573760. Its totient is φ = 114430308.

The previous prime is 133502011. The next prime is 133502041. The reversal of 133502033 is 330205331.

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 133502033 - 2¹⁶ = 133436497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133501996 and 133502014.

It is not an unprimeable number, because it can be changed into a prime (133502093) 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, 9535853 + ... + 9535866.

It is an arithmetic number, because the mean of its divisors is an integer number (38143440).

Almost surely, 2^133502033 is an apocalyptic number.

It is an amenable number.

133502033 is a deficient number, since it is larger than the sum of its proper divisors (19071727).

133502033 is an equidigital number, since it uses as much as digits as its factorization.

133502033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19071726.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 133502033 is about 11554.3079844706. The cubic root of 133502033 is about 511.0883243657.

Adding to 133502033 its reverse (330205331), we get a palindrome (463707364).

The spelling of 133502033 in words is "one hundred thirty-three million, five hundred two thousand, thirty-three".