132121545543 has 24 divisors (see below), whose sum is σ = 205546028688. Its totient is φ = 81296220672.

The previous prime is 132121545487. The next prime is 132121545559. The reversal of 132121545543 is 345545121231.

132121545543 is a `hidden beast` number, since 1 + 32 + 1 + 21 + 54 + 554 + 3 = 666.

It is not a de Polignac number, because 132121545543 - 2¹⁴ = 132121529159 is a prime.

It is a super-2 number, since 2×132121545543² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 132121545498 and 132121545507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132121545043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1036896 + ... + 1157322.

It is an arithmetic number, because the mean of its divisors is an integer number (8564417862).

Almost surely, 2^132121545543 is an apocalyptic number.

132121545543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

132121545543 is a deficient number, since it is larger than the sum of its proper divisors (73424483145).

132121545543 is a wasteful number, since it uses less digits than its factorization.

132121545543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129823 (or 129820 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

Adding to 132121545543 its reverse (345545121231), we get a palindrome (477666666774).

The spelling of 132121545543 in words is "one hundred thirty-two billion, one hundred twenty-one million, five hundred forty-five thousand, five hundred forty-three".