133135222120 has 16 divisors (see below), whose sum is σ = 299554249860. Its totient is φ = 53254088832.

The previous prime is 133135222117. The next prime is 133135222127. The reversal of 133135222120 is 21222531331.

It can be written as a sum of positive squares in 2 ways, for example, as 119983260996 + 13151961124 = 346386^2 + 114682^2 .

It is not an unprimeable number, because it can be changed into a prime (133135222127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1664190237 + ... + 1664190316.

Almost surely, 2^133135222120 is an apocalyptic number.

133135222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133135222120 is an abundant number, since it is smaller than the sum of its proper divisors (166419027740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133135222120 is a wasteful number, since it uses less digits than its factorization.

133135222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328380564 (or 3328380560 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 133135222120 its reverse (21222531331), we get a palindrome (154357753451).

The spelling of 133135222120 in words is "one hundred thirty-three billion, one hundred thirty-five million, two hundred twenty-two thousand, one hundred twenty".