132235661 has 2 divisors, whose sum is σ = 132235662. Its totient is φ = 132235660.

The previous prime is 132235643. The next prime is 132235681. The reversal of 132235661 is 166532231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82264900 + 49970761 = 9070^2 + 7069^2 .

It is an emirp because it is prime and its reverse (166532231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132235661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132235681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66117830 + 66117831.

It is an arithmetic number, because the mean of its divisors is an integer number (66117831).

Almost surely, 2^132235661 is an apocalyptic number.

It is an amenable number.

132235661 is a deficient number, since it is larger than the sum of its proper divisors (1).

132235661 is an equidigital number, since it uses as much as digits as its factorization.

132235661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 132235661 is about 11499.3765483177. The cubic root of 132235661 is about 509.4671623219.

Adding to 132235661 its reverse (166532231), we get a palindrome (298767892).

The spelling of 132235661 in words is "one hundred thirty-two million, two hundred thirty-five thousand, six hundred sixty-one".