132001409 has 2 divisors, whose sum is σ = 132001410. Its totient is φ = 132001408.

The previous prime is 132001403. The next prime is 132001411. The reversal of 132001409 is 904100231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127757809 + 4243600 = 11303^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 132001409 - 2¹⁶ = 131935873 is a prime.

Together with 132001411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (132001403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66000704 + 66000705.

It is an arithmetic number, because the mean of its divisors is an integer number (66000705).

Almost surely, 2^132001409 is an apocalyptic number.

It is an amenable number.

132001409 is a deficient number, since it is larger than the sum of its proper divisors (1).

132001409 is an equidigital number, since it uses as much as digits as its factorization.

132001409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 132001409 is about 11489.1866117667. The cubic root of 132001409 is about 509.1661486074.

The spelling of 132001409 in words is "one hundred thirty-two million, one thousand, four hundred nine".