132661307529 has 27 divisors (see below), whose sum is σ = 193041727437. Its totient is φ = 87790362264.

The previous prime is 132661307507. The next prime is 132661307549. The reversal of 132661307529 is 925703166231.

The square root of 132661307529 is 364227.

It is a perfect power (a square), and thus also a powerful number.

132661307529 is a `hidden beast` number, since 1 + 3 + 2 + 6 + 613 + 0 + 7 + 5 + 29 = 666.

It is not a de Polignac number, because 132661307529 - 2²³ = 132652918921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (132661307549) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 182477364 + ... + 182478090.

Almost surely, 2^132661307529 is an apocalyptic number.

132661307529 is the 364227-th square number.

132661307529 is the 182114-th centered octagonal number.

It is an amenable number.

132661307529 is a deficient number, since it is larger than the sum of its proper divisors (60380419908).

132661307529 is an frugal number, since it uses more digits than its factorization.

132661307529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 132661307529 in words is "one hundred thirty-two billion, six hundred sixty-one million, three hundred seven thousand, five hundred twenty-nine".