133324801 has 4 divisors (see below), whose sum is σ = 136928212. Its totient is φ = 129721392.

The previous prime is 133324777. The next prime is 133324817. The reversal of 133324801 is 108423331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108423331 = 17 ⋅6377843.

It can be written as a sum of positive squares in 2 ways, for example, as 85008400 + 48316401 = 9220^2 + 6951^2 .

It is a cyclic number.

It is not a de Polignac number, because 133324801 - 2⁷ = 133324673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133324901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1801650 + ... + 1801723.

It is an arithmetic number, because the mean of its divisors is an integer number (34232053).

Almost surely, 2^133324801 is an apocalyptic number.

It is an amenable number.

133324801 is a deficient number, since it is larger than the sum of its proper divisors (3603411).

133324801 is an equidigital number, since it uses as much as digits as its factorization.

133324801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3603410.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 133324801 is about 11546.6359170106. The cubic root of 133324801 is about 510.8620573507.

The spelling of 133324801 in words is "one hundred thirty-three million, three hundred twenty-four thousand, eight hundred one".