132123609 has 16 divisors (see below), whose sum is σ = 207253440. Its totient is φ = 82900800.

The previous prime is 132123577. The next prime is 132123613. The reversal of 132123609 is 906321231.

132123609 is a `hidden beast` number, since 1 + 32 + 1 + 23 + 609 = 666.

It is not a de Polignac number, because 132123609 - 2⁵ = 132123577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (132123619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143467 + ... + 144384.

It is an arithmetic number, because the mean of its divisors is an integer number (12953340).

Almost surely, 2^132123609 is an apocalyptic number.

It is an amenable number.

132123609 is a deficient number, since it is larger than the sum of its proper divisors (75129831).

132123609 is a wasteful number, since it uses less digits than its factorization.

132123609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287877 (or 287871 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 132123609 is about 11494.5034255508. The cubic root of 132123609 is about 509.3232199438.

The spelling of 132123609 in words is "one hundred thirty-two million, one hundred twenty-three thousand, six hundred nine".