132712081 has 16 divisors (see below), whose sum is σ = 145815120. Its totient is φ = 120268800.

The previous prime is 132712051. The next prime is 132712087. The reversal of 132712081 is 180217231.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 79495056 + 53217025 = 8916^2 + 7295^2 .

It is a cyclic number.

It is not a de Polignac number, because 132712081 - 2²¹ = 130614929 is a prime.

It is a super-2 number, since 2×132712081² = 35224992886701122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (132712087) 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 15 ways as a sum of consecutive naturals, for example, 62485 + ... + 64573.

It is an arithmetic number, because the mean of its divisors is an integer number (9113445).

Almost surely, 2^132712081 is an apocalyptic number.

It is an amenable number.

132712081 is a deficient number, since it is larger than the sum of its proper divisors (13103039).

132712081 is a wasteful number, since it uses less digits than its factorization.

132712081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 132712081 is about 11520.0729598384. The cubic root of 132712081 is about 510.0782668553.

The spelling of 132712081 in words is "one hundred thirty-two million, seven hundred twelve thousand, eighty-one".