132229991 has 2 divisors, whose sum is σ = 132229992. Its totient is φ = 132229990.

The previous prime is 132229969. The next prime is 132230011. The reversal of 132229991 is 199922231.

It is a strong prime.

It is an emirp because it is prime and its reverse (199922231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 132229991 - 2²⁶ = 65121127 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132229931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66114995 + 66114996.

It is an arithmetic number, because the mean of its divisors is an integer number (66114996).

Almost surely, 2^132229991 is an apocalyptic number.

132229991 is a deficient number, since it is larger than the sum of its proper divisors (1).

132229991 is an equidigital number, since it uses as much as digits as its factorization.

132229991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 38.

The square root of 132229991 is about 11499.1300105704. The cubic root of 132229991 is about 509.4598805744.

It can be divided in two parts, 1322 and 29991, that added together give a palindrome (31313).

The spelling of 132229991 in words is "one hundred thirty-two million, two hundred twenty-nine thousand, nine hundred ninety-one".