132240991 has 2 divisors, whose sum is σ = 132240992. Its totient is φ = 132240990.

The previous prime is 132240971. The next prime is 132241013. The reversal of 132240991 is 199042231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 132240991 - 2¹¹ = 132238943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132240971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66120495 + 66120496.

It is an arithmetic number, because the mean of its divisors is an integer number (66120496).

Almost surely, 2^132240991 is an apocalyptic number.

132240991 is a deficient number, since it is larger than the sum of its proper divisors (1).

132240991 is an equidigital number, since it uses as much as digits as its factorization.

132240991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 132240991 is about 11499.6082976769. The cubic root of 132240991 is about 509.4740072317.

It can be divided in two parts, 1322409 and 91, that added together give a square (1322500 = 1150²).

The spelling of 132240991 in words is "one hundred thirty-two million, two hundred forty thousand, nine hundred ninety-one".