132091261 has 2 divisors, whose sum is σ = 132091262. Its totient is φ = 132091260.

The previous prime is 132091243. The next prime is 132091273. The reversal of 132091261 is 162190231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83356900 + 48734361 = 9130^2 + 6981^2 .

It is a cyclic number.

It is not a de Polignac number, because 132091261 - 2⁵ = 132091229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132098261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66045630 + 66045631.

It is an arithmetic number, because the mean of its divisors is an integer number (66045631).

Almost surely, 2^132091261 is an apocalyptic number.

It is an amenable number.

132091261 is a deficient number, since it is larger than the sum of its proper divisors (1).

132091261 is an equidigital number, since it uses as much as digits as its factorization.

132091261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 132091261 is about 11493.0962320865. The cubic root of 132091261 is about 509.2816504560.

The spelling of 132091261 in words is "one hundred thirty-two million, ninety-one thousand, two hundred sixty-one".