133280801 has 8 divisors (see below), whose sum is σ = 140435520. Its totient is φ = 126140112.

The previous prime is 133280789. The next prime is 133280803. The reversal of 133280801 is 108082331.

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 133280801 - 2¹⁰ = 133279777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133280803) 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, 20156 + ... + 25938.

It is an arithmetic number, because the mean of its divisors is an integer number (17554440).

Almost surely, 2^133280801 is an apocalyptic number.

It is an amenable number.

133280801 is a deficient number, since it is larger than the sum of its proper divisors (7154719).

133280801 is a wasteful number, since it uses less digits than its factorization.

133280801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7015.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 133280801 is about 11544.7304429337. The cubic root of 133280801 is about 510.8058527448.

The spelling of 133280801 in words is "one hundred thirty-three million, two hundred eighty thousand, eight hundred one".