132788393 has 2 divisors, whose sum is σ = 132788394. Its totient is φ = 132788392.

The previous prime is 132788371. The next prime is 132788401. The reversal of 132788393 is 393887231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113145769 + 19642624 = 10637^2 + 4432^2 .

It is an emirp because it is prime and its reverse (393887231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 132788393 - 2⁶ = 132788329 is a prime.

It is not a weakly prime, because it can be changed into another prime (132788993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66394196 + 66394197.

It is an arithmetic number, because the mean of its divisors is an integer number (66394197).

Almost surely, 2^132788393 is an apocalyptic number.

It is an amenable number.

132788393 is a deficient number, since it is larger than the sum of its proper divisors (1).

132788393 is an equidigital number, since it uses as much as digits as its factorization.

132788393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 132788393 is about 11523.3846156414. The cubic root of 132788393 is about 510.1760163943.

The spelling of 132788393 in words is "one hundred thirty-two million, seven hundred eighty-eight thousand, three hundred ninety-three".