133133122 has 4 divisors (see below), whose sum is σ = 199699686. Its totient is φ = 66566560.

The previous prime is 133133107. The next prime is 133133123. The reversal of 133133122 is 221331331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70073641 + 63059481 = 8371^2 + 7941^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133133122.

It is not an unprimeable number, because it can be changed into a prime (133133123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33283279 + ... + 33283282.

Almost surely, 2^133133122 is an apocalyptic number.

133133122 is a deficient number, since it is larger than the sum of its proper divisors (66566564).

133133122 is an equidigital number, since it uses as much as digits as its factorization.

133133122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66566563.

The product of its digits is 324, while the sum is 19.

The square root of 133133122 is about 11538.3327218450. The cubic root of 133133122 is about 510.6171204452.

Adding to 133133122 its reverse (221331331), we get a palindrome (354464453).

It can be divided in two parts, 1331 and 33122, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 133133122 in words is "one hundred thirty-three million, one hundred thirty-three thousand, one hundred twenty-two".