133202001 has 4 divisors (see below), whose sum is σ = 177602672. Its totient is φ = 88801332.

The previous prime is 133201967. The next prime is 133202023. The reversal of 133202001 is 100202331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 133202001 - 2⁹ = 133201489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133202051) 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, 22200331 + ... + 22200336.

It is an arithmetic number, because the mean of its divisors is an integer number (44400668).

Almost surely, 2^133202001 is an apocalyptic number.

It is an amenable number.

133202001 is a deficient number, since it is larger than the sum of its proper divisors (44400671).

133202001 is an equidigital number, since it uses as much as digits as its factorization.

133202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44400670.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 133202001 is about 11541.3171258743. The cubic root of 133202001 is about 510.7051644832.

Adding to 133202001 its reverse (100202331), we get a palindrome (233404332).

The spelling of 133202001 in words is "one hundred thirty-three million, two hundred two thousand, one".