132689450261 has 2 divisors, whose sum is σ = 132689450262. Its totient is φ = 132689450260.

The previous prime is 132689450239. The next prime is 132689450279. The reversal of 132689450261 is 162054986231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66509315236 + 66180135025 = 257894^2 + 257255^2 .

It is a cyclic number.

It is not a de Polignac number, because 132689450261 - 2¹⁸ = 132689188117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132689450281) 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, 66344725130 + 66344725131.

It is an arithmetic number, because the mean of its divisors is an integer number (66344725131).

Almost surely, 2^132689450261 is an apocalyptic number.

It is an amenable number.

132689450261 is a deficient number, since it is larger than the sum of its proper divisors (1).

132689450261 is an equidigital number, since it uses as much as digits as its factorization.

132689450261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 132689450261 in words is "one hundred thirty-two billion, six hundred eighty-nine million, four hundred fifty thousand, two hundred sixty-one".