132556430889 has 27 divisors (see below), whose sum is σ = 192947332773. Its totient is φ = 87694487712.

The previous prime is 132556430833. The next prime is 132556430927. The reversal of 132556430889 is 988034655231.

The square root of 132556430889 is 364083.

It is a perfect power (a square), and thus also a powerful number.

132556430889 is a `hidden beast` number, since 1 + 3 + 2 + 556 + 4 + 3 + 0 + 8 + 89 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 60753869289 + 71802561600 = 246483^2 + 267960^2 .

It is a de Polignac number, because none of the positive numbers 2^k-132556430889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (132556434889) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 171482707 + ... + 171483479.

Almost surely, 2^132556430889 is an apocalyptic number.

132556430889 is the 364083-rd square number.

132556430889 is the 182042-nd centered octagonal number.

It is an amenable number.

132556430889 is a deficient number, since it is larger than the sum of its proper divisors (60390901884).

132556430889 is an frugal number, since it uses more digits than its factorization.

132556430889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866 (or 933 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 132556430889 in words is "one hundred thirty-two billion, five hundred fifty-six million, four hundred thirty thousand, eight hundred eighty-nine".