133232201545542 has 128 divisors (see below), whose sum is σ = 310467416555520. Its totient is φ = 37717084944000.

The previous prime is 133232201545507. The next prime is 133232201545603. The reversal of 133232201545542 is 245545102232331.

It is a junction number, because it is equal to n+sod(n) for n = 133232201545494 and 133232201545503.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 340559667 + ... + 340950657.

It is an arithmetic number, because the mean of its divisors is an integer number (2425526691840).

Almost surely, 2^{133232201545542} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133232201545542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155233708277760).

133232201545542 is an abundant number, since it is smaller than the sum of its proper divisors (177235215009978).

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

133232201545542 is a wasteful number, since it uses less digits than its factorization.

133232201545542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396810.

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 133232201545542 its reverse (245545102232331), we get a palindrome (378777303777873).

The spelling of 133232201545542 in words is "one hundred thirty-three trillion, two hundred thirty-two billion, two hundred one million, five hundred forty-five thousand, five hundred forty-two".