133553244252 has 24 divisors (see below), whose sum is σ = 312749241616. Its totient is φ = 44357033088.

The previous prime is 133553244203. The next prime is 133553244257. The reversal of 133553244252 is 252442355331.

It is a self number, because there is not a number n which added to its sum of digits gives 133553244252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133553244257) 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 7 ways as a sum of consecutive naturals, for example, 20085913 + ... + 20092560.

Almost surely, 2^133553244252 is an apocalyptic number.

133553244252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133553244252 is an abundant number, since it is smaller than the sum of its proper divisors (179195997364).

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

133553244252 is a wasteful number, since it uses less digits than its factorization.

133553244252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40178757 (or 40178755 counting only the distinct ones).

The product of its digits is 432000, while the sum is 39.

Adding to 133553244252 its reverse (252442355331), we get a palindrome (385995599583).

The spelling of 133553244252 in words is "one hundred thirty-three billion, five hundred fifty-three million, two hundred forty-four thousand, two hundred fifty-two".