132531389 has 2 divisors, whose sum is σ = 132531390. Its totient is φ = 132531388.

The previous prime is 132531383. The next prime is 132531419. The reversal of 132531389 is 983135231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90060100 + 42471289 = 9490^2 + 6517^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132531389 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132531383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66265694 + 66265695.

It is an arithmetic number, because the mean of its divisors is an integer number (66265695).

Almost surely, 2^132531389 is an apocalyptic number.

It is an amenable number.

132531389 is a deficient number, since it is larger than the sum of its proper divisors (1).

132531389 is an equidigital number, since it uses as much as digits as its factorization.

132531389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 132531389 is about 11512.2278035140. The cubic root of 132531389 is about 509.8466654249.

The spelling of 132531389 in words is "one hundred thirty-two million, five hundred thirty-one thousand, three hundred eighty-nine".