132512661 has 6 divisors (see below), whose sum is σ = 191407190. Its totient is φ = 88341768.

The previous prime is 132512659. The next prime is 132512701. The reversal of 132512661 is 166215231.

It can be written as a sum of positive squares in only one way, i.e., 75585636 + 56927025 = 8694^2 + 7545^2 .

It is not a de Polignac number, because 132512661 - 2¹ = 132512659 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 (132510661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7361806 + ... + 7361823.

Almost surely, 2^132512661 is an apocalyptic number.

It is an amenable number.

132512661 is a deficient number, since it is larger than the sum of its proper divisors (58894529).

132512661 is a wasteful number, since it uses less digits than its factorization.

132512661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14723635 (or 14723632 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 132512661 is about 11511.4143787807. The cubic root of 132512661 is about 509.8226488297.

Adding to 132512661 its reverse (166215231), we get a palindrome (298727892).

The spelling of 132512661 in words is "one hundred thirty-two million, five hundred twelve thousand, six hundred sixty-one".