133530563 has 8 divisors (see below), whose sum is σ = 144834480. Its totient is φ = 122609920.

The previous prime is 133530557. The next prime is 133530577. The reversal of 133530563 is 365035331.

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

It is a cyclic number.

It is not a de Polignac number, because 133530563 - 2⁸ = 133530307 is a prime.

It is a super-2 number, since 2×133530563² = 35660822510193938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133530503) 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, 95093 + ... + 96486.

It is an arithmetic number, because the mean of its divisors is an integer number (18104310).

Almost surely, 2^133530563 is an apocalyptic number.

133530563 is a deficient number, since it is larger than the sum of its proper divisors (11303917).

133530563 is a wasteful number, since it uses less digits than its factorization.

133530563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191637.

The product of its (nonzero) digits is 12150, while the sum is 29.

The square root of 133530563 is about 11555.5425229627. The cubic root of 133530563 is about 511.1247290830.

Adding to 133530563 its reverse (365035331), we get a palindrome (498565894).

The spelling of 133530563 in words is "one hundred thirty-three million, five hundred thirty thousand, five hundred sixty-three".