133242544421532 has 288 divisors, whose sum is σ = 433964557458432. Its totient is φ = 33503531516928.

The previous prime is 133242544421531. The next prime is 133242544421537. The reversal of 133242544421532 is 235124445242331.

133242544421532 is a `hidden beast` number, since 1 + 3 + 3 + 2 + 4 + 2 + 54 + 44 + 21 + 532 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133242544421531) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20251768 + ... + 26011904.

It is an arithmetic number, because the mean of its divisors is an integer number (1506821380064).

Almost surely, 2^{133242544421532} is an apocalyptic number.

133242544421532 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 133242544421532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216982278729216).

133242544421532 is an abundant number, since it is smaller than the sum of its proper divisors (300722013036900).

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

133242544421532 is a wasteful number, since it uses less digits than its factorization.

133242544421532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5760497 (or 5760492 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 45.

Adding to 133242544421532 its reverse (235124445242331), we get a palindrome (368366989663863).

The spelling of 133242544421532 in words is "one hundred thirty-three trillion, two hundred forty-two billion, five hundred forty-four million, four hundred twenty-one thousand, five hundred thirty-two".