132660405 has 12 divisors (see below), whose sum is σ = 229944780. Its totient is φ = 70752192.

The previous prime is 132660403. The next prime is 132660443. The reversal of 132660405 is 504066231.

It can be written as a sum of positive squares in 2 ways, for example, as 51065316 + 81595089 = 7146^2 + 9033^2 .

It is not a de Polignac number, because 132660405 - 2¹ = 132660403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132660403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1473960 + ... + 1474049.

It is an arithmetic number, because the mean of its divisors is an integer number (19162065).

Almost surely, 2^132660405 is an apocalyptic number.

132660405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

132660405 is a deficient number, since it is larger than the sum of its proper divisors (97284375).

132660405 is a wasteful number, since it uses less digits than its factorization.

132660405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948020 (or 2948017 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 132660405 is about 11517.8298737219. The cubic root of 132660405 is about 510.0120527717.

The spelling of 132660405 in words is "one hundred thirty-two million, six hundred sixty thousand, four hundred five".