133136622 has 80 divisors (see below), whose sum is σ = 326961360. Its totient is φ = 40303872.

The previous prime is 133136621. The next prime is 133136659. The reversal of 133136622 is 226631331.

It is a happy number.

133136622 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 36 + 622 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133136621) 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 in 39 ways as a sum of consecutive naturals, for example, 79033 + ... + 80699.

It is an arithmetic number, because the mean of its divisors is an integer number (4087017).

Almost surely, 2^133136622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133136622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163480680).

133136622 is an abundant number, since it is smaller than the sum of its proper divisors (193824738).

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

133136622 is a wasteful number, since it uses less digits than its factorization.

133136622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727 (or 1718 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 133136622 is about 11538.4843892081. The cubic root of 133136622 is about 510.6215950248.

Adding to 133136622 its reverse (226631331), we get a palindrome (359767953).

The spelling of 133136622 in words is "one hundred thirty-three million, one hundred thirty-six thousand, six hundred twenty-two".