132142661 has 24 divisors (see below), whose sum is σ = 157244760. Its totient is φ = 110702592.

The previous prime is 132142639. The next prime is 132142669. The reversal of 132142661 is 166241231.

It can be written as a sum of positive squares in 4 ways, for example, as 30625 + 132112036 = 175^2 + 11494^2 .

It is not a de Polignac number, because 132142661 - 2⁶ = 132142597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132142661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132142669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 684581 + ... + 684773.

It is an arithmetic number, because the mean of its divisors is an integer number (6551865).

Almost surely, 2^132142661 is an apocalyptic number.

It is an amenable number.

132142661 is a deficient number, since it is larger than the sum of its proper divisors (25102099).

132142661 is a wasteful number, since it uses less digits than its factorization.

132142661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 446 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 132142661 is about 11495.3321396121. The cubic root of 132142661 is about 509.3476999483.

Adding to 132142661 its reverse (166241231), we get a palindrome (298383892).

The spelling of 132142661 in words is "one hundred thirty-two million, one hundred forty-two thousand, six hundred sixty-one".