132026581 has 2 divisors, whose sum is σ = 132026582. Its totient is φ = 132026580.

The previous prime is 132026569. The next prime is 132026597. The reversal of 132026581 is 185620231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75099556 + 56927025 = 8666^2 + 7545^2 .

It is a cyclic number.

It is not a de Polignac number, because 132026581 - 2²⁵ = 98472149 is a prime.

It is a super-2 number, since 2×132026581² = 34862036181099122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132026281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66013290 + 66013291.

It is an arithmetic number, because the mean of its divisors is an integer number (66013291).

Almost surely, 2^132026581 is an apocalyptic number.

It is an amenable number.

132026581 is a deficient number, since it is larger than the sum of its proper divisors (1).

132026581 is an equidigital number, since it uses as much as digits as its factorization.

132026581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 132026581 is about 11490.2820243891. The cubic root of 132026581 is about 509.1985116854.

The spelling of 132026581 in words is "one hundred thirty-two million, twenty-six thousand, five hundred eighty-one".