132642081 has 48 divisors (see below), whose sum is σ = 234928512. Its totient is φ = 70963200.

The previous prime is 132642079. The next prime is 132642091. The reversal of 132642081 is 180246231.

132642081 is a `hidden beast` number, since 13 + 2 + 642 + 0 + 8 + 1 = 666.

It is not a de Polignac number, because 132642081 - 2¹ = 132642079 is a prime.

It is a super-2 number, since 2×132642081² = 35187843304021122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (132642031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27361 + ... + 31841.

It is an arithmetic number, because the mean of its divisors is an integer number (4894344).

Almost surely, 2^132642081 is an apocalyptic number.

132642081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

132642081 is a deficient number, since it is larger than the sum of its proper divisors (102286431).

132642081 is a wasteful number, since it uses less digits than its factorization.

132642081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4534 (or 4531 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 132642081 is about 11517.0343839028. The cubic root of 132642081 is about 509.9885695247.

The spelling of 132642081 in words is "one hundred thirty-two million, six hundred forty-two thousand, eighty-one".