132168309 has 48 divisors (see below), whose sum is σ = 220372992. Its totient is φ = 68986944.

The previous prime is 132168301. The next prime is 132168349. The reversal of 132168309 is 903861231.

It is not a de Polignac number, because 132168309 - 2³ = 132168301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 132168309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132168301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 592572 + ... + 592794.

It is an arithmetic number, because the mean of its divisors is an integer number (4591104).

Almost surely, 2^132168309 is an apocalyptic number.

It is an amenable number.

132168309 is a deficient number, since it is larger than the sum of its proper divisors (88204683).

132168309 is a wasteful number, since it uses less digits than its factorization.

132168309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 132168309 is about 11496.4476687366. The cubic root of 132168309 is about 509.3806514685.

The spelling of 132168309 in words is "one hundred thirty-two million, one hundred sixty-eight thousand, three hundred nine".