133395563 has 8 divisors (see below), whose sum is σ = 157709280. Its totient is φ = 110396160.

The previous prime is 133395557. The next prime is 133395569. The reversal of 133395563 is 365593331.

It is an interprime number because it is at equal distance from previous prime (133395557) and next prime (133395569).

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

It is not a de Polignac number, because 133395563 - 2⁴ = 133395547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133395569) 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, 328358 + ... + 328763.

It is an arithmetic number, because the mean of its divisors is an integer number (19713660).

Almost surely, 2^133395563 is an apocalyptic number.

133395563 is a deficient number, since it is larger than the sum of its proper divisors (24313717).

133395563 is an equidigital number, since it uses as much as digits as its factorization.

133395563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657157.

The product of its digits is 109350, while the sum is 38.

The square root of 133395563 is about 11549.6996930656. The cubic root of 133395563 is about 510.9524212017.

The spelling of 133395563 in words is "one hundred thirty-three million, three hundred ninety-five thousand, five hundred sixty-three".