133232215530 has 256 divisors, whose sum is σ = 355089899520. Its totient is φ = 31866421248.

The previous prime is 133232215517. The next prime is 133232215559. The reversal of 133232215530 is 35512232331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 254745849 + ... + 254746371.

It is an arithmetic number, because the mean of its divisors is an integer number (1387069920).

Almost surely, 2^133232215530 is an apocalyptic number.

133232215530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133232215530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177544949760).

133232215530 is an abundant number, since it is smaller than the sum of its proper divisors (221857683990).

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

133232215530 is a wasteful number, since it uses less digits than its factorization.

133232215530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 133232215530 its reverse (35512232331), we get a palindrome (168744447861).

The spelling of 133232215530 in words is "one hundred thirty-three billion, two hundred thirty-two million, two hundred fifteen thousand, five hundred thirty".