133875822252 has 144 divisors (see below), whose sum is σ = 347309836160. Its totient is φ = 40018074624.

The previous prime is 133875822251. The next prime is 133875822293. The reversal of 133875822252 is 252228578331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (133875822251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11693643 + ... + 11705085.

Almost surely, 2^133875822252 is an apocalyptic number.

133875822252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133875822252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173654918080).

133875822252 is an abundant number, since it is smaller than the sum of its proper divisors (213434013908).

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

133875822252 is a wasteful number, since it uses less digits than its factorization.

133875822252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11612 (or 11587 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 48.

The spelling of 133875822252 in words is "one hundred thirty-three billion, eight hundred seventy-five million, eight hundred twenty-two thousand, two hundred fifty-two".