133033663 has 8 divisors (see below), whose sum is σ = 152217728. Its totient is φ = 113894424.

The previous prime is 133033661. The next prime is 133033669. The reversal of 133033663 is 366330331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133033663 - 2¹ = 133033661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133033661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4581 + ... + 16942.

It is an arithmetic number, because the mean of its divisors is an integer number (19027216).

Almost surely, 2^133033663 is an apocalyptic number.

133033663 is a deficient number, since it is larger than the sum of its proper divisors (19184065).

133033663 is an equidigital number, since it uses as much as digits as its factorization.

133033663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22413.

The product of its (nonzero) digits is 8748, while the sum is 28.

The square root of 133033663 is about 11534.0219784774. The cubic root of 133033663 is about 510.4899341639.

Adding to 133033663 its reverse (366330331), we get a palindrome (499363994).

The spelling of 133033663 in words is "one hundred thirty-three million, thirty-three thousand, six hundred sixty-three".