133134203221 has 8 divisors (see below), whose sum is σ = 135399902400. Its totient is φ = 130868810400.

The previous prime is 133134203207. The next prime is 133134203231. The reversal of 133134203221 is 122302431331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133134203221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133134203231) 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, 906321 + ... + 1042921.

It is an arithmetic number, because the mean of its divisors is an integer number (16924987800).

Almost surely, 2^133134203221 is an apocalyptic number.

It is an amenable number.

133134203221 is a deficient number, since it is larger than the sum of its proper divisors (2265699179).

133134203221 is a wasteful number, since it uses less digits than its factorization.

133134203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153179.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 133134203221 its reverse (122302431331), we get a palindrome (255436634552).

The spelling of 133134203221 in words is "one hundred thirty-three billion, one hundred thirty-four million, two hundred three thousand, two hundred twenty-one".