132249989 has 2 divisors, whose sum is σ = 132249990. Its totient is φ = 132249988.

The previous prime is 132249917. The next prime is 132250007. The reversal of 132249989 is 989942231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95550625 + 36699364 = 9775^2 + 6058^2 .

It is a cyclic number.

It is not a de Polignac number, because 132249989 - 2¹⁶ = 132184453 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 (132249289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66124994 + 66124995.

It is an arithmetic number, because the mean of its divisors is an integer number (66124995).

Almost surely, 2^132249989 is an apocalyptic number.

It is an amenable number.

132249989 is a deficient number, since it is larger than the sum of its proper divisors (1).

132249989 is an equidigital number, since it uses as much as digits as its factorization.

132249989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 47.

The square root of 132249989 is about 11499.9995217391. Note that the first 3 decimals coincide. The cubic root of 132249989 is about 509.4855622549.

The spelling of 132249989 in words is "one hundred thirty-two million, two hundred forty-nine thousand, nine hundred eighty-nine".