132440389 has 2 divisors, whose sum is σ = 132440390. Its totient is φ = 132440388.

The previous prime is 132440383. The next prime is 132440437. The reversal of 132440389 is 983044231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96236100 + 36204289 = 9810^2 + 6017^2 .

It is a cyclic number.

It is not a de Polignac number, because 132440389 - 2¹⁹ = 131916101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132440383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66220194 + 66220195.

It is an arithmetic number, because the mean of its divisors is an integer number (66220195).

Almost surely, 2^132440389 is an apocalyptic number.

It is an amenable number.

132440389 is a deficient number, since it is larger than the sum of its proper divisors (1).

132440389 is an equidigital number, since it uses as much as digits as its factorization.

132440389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 132440389 is about 11508.2748055475. The cubic root of 132440389 is about 509.7299467367.

The spelling of 132440389 in words is "one hundred thirty-two million, four hundred forty thousand, three hundred eighty-nine".