132689450281 has 2 divisors, whose sum is σ = 132689450282. Its totient is φ = 132689450280.

The previous prime is 132689450279. The next prime is 132689450297. The reversal of 132689450281 is 182054986231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126618547225 + 6070903056 = 355835^2 + 77916^2 .

It is a cyclic number.

It is not a de Polignac number, because 132689450281 - 2¹ = 132689450279 is a prime.

It is a super-2 number, since 2×132689450281² (a number of 23 digits) contains 22 as substring.

Together with 132689450279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (132689450261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66344725140 + 66344725141.

It is an arithmetic number, because the mean of its divisors is an integer number (66344725141).

Almost surely, 2^132689450281 is an apocalyptic number.

It is an amenable number.

132689450281 is a deficient number, since it is larger than the sum of its proper divisors (1).

132689450281 is an equidigital number, since it uses as much as digits as its factorization.

132689450281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 132689450281 in words is "one hundred thirty-two billion, six hundred eighty-nine million, four hundred fifty thousand, two hundred eighty-one".