132178469 has 2 divisors, whose sum is σ = 132178470. Its totient is φ = 132178468.

The previous prime is 132178427. The next prime is 132178481. The reversal of 132178469 is 964871231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131377444 + 801025 = 11462^2 + 895^2 .

It is a cyclic number.

It is not a de Polignac number, because 132178469 - 2²⁰ = 131129893 is a prime.

It is a super-2 number, since 2×132178469² = 34942295334367922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132178169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66089234 + 66089235.

It is an arithmetic number, because the mean of its divisors is an integer number (66089235).

Almost surely, 2^132178469 is an apocalyptic number.

It is an amenable number.

132178469 is a deficient number, since it is larger than the sum of its proper divisors (1).

132178469 is an equidigital number, since it uses as much as digits as its factorization.

132178469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 132178469 is about 11496.8895358701. The cubic root of 132178469 is about 509.3937034496.

The spelling of 132178469 in words is "one hundred thirty-two million, one hundred seventy-eight thousand, four hundred sixty-nine".