133241663 has 8 divisors (see below), whose sum is σ = 136285632. Its totient is φ = 130206496.

The previous prime is 133241651. The next prime is 133241671. The reversal of 133241663 is 366142331.

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 133241663 - 2²⁶ = 66132799 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 (133241683) 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, 35681 + ... + 39237.

It is an arithmetic number, because the mean of its divisors is an integer number (17035704).

Almost surely, 2^133241663 is an apocalyptic number.

133241663 is a deficient number, since it is larger than the sum of its proper divisors (3043969).

133241663 is an equidigital number, since it uses as much as digits as its factorization.

133241663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401.

The product of its digits is 7776, while the sum is 29.

The square root of 133241663 is about 11543.0352594108. The cubic root of 133241663 is about 510.7558483518.

Adding to 133241663 its reverse (366142331), we get a palindrome (499383994).

The spelling of 133241663 in words is "one hundred thirty-three million, two hundred forty-one thousand, six hundred sixty-three".