132020135353521 has 80 divisors (see below), whose sum is σ = 209386624708800. Its totient is φ = 82610000934912.

The previous prime is 132020135353501. The next prime is 132020135353523. The reversal of 132020135353521 is 125353531020231.

132020135353521 is a `hidden beast` number, since 1 + 3 + 2 + 0 + 20 + 13 + 53 + 53 + 521 = 666.

It is not a de Polignac number, because 132020135353521 - 2⁹ = 132020135353009 is a prime.

It is a super-2 number, since 2×132020135353521² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (132020135353523) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1741813401 + ... + 1741889193.

It is an arithmetic number, because the mean of its divisors is an integer number (2617332808860).

Almost surely, 2^{132020135353521} is an apocalyptic number.

It is an amenable number.

132020135353521 is a deficient number, since it is larger than the sum of its proper divisors (77366489355279).

132020135353521 is a wasteful number, since it uses less digits than its factorization.

132020135353521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79260 (or 79251 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

Adding to 132020135353521 its reverse (125353531020231), we get a palindrome (257373666373752).

The spelling of 132020135353521 in words is "one hundred thirty-two trillion, twenty billion, one hundred thirty-five million, three hundred fifty-three thousand, five hundred twenty-one".