132505789 has 8 divisors (see below), whose sum is σ = 142924320. Its totient is φ = 122119536.

The previous prime is 132505771. The next prime is 132505819. The reversal of 132505789 is 987505231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132505789 - 2¹³ = 132497597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132505729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834 + ... + 16300.

It is an arithmetic number, because the mean of its divisors is an integer number (17865540).

Almost surely, 2^132505789 is an apocalyptic number.

It is an amenable number.

132505789 is a deficient number, since it is larger than the sum of its proper divisors (10418531).

132505789 is a wasteful number, since it uses less digits than its factorization.

132505789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16139.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 132505789 is about 11511.1158885661. The cubic root of 132505789 is about 509.8138356799.

The spelling of 132505789 in words is "one hundred thirty-two million, five hundred five thousand, seven hundred eighty-nine".