132529781 has 2 divisors, whose sum is σ = 132529782. Its totient is φ = 132529780.

The previous prime is 132529763. The next prime is 132529799. The reversal of 132529781 is 187925231.

It is a balanced prime because it is at equal distance from previous prime (132529763) and next prime (132529799).

It can be written as a sum of positive squares in only one way, i.e., 116856100 + 15673681 = 10810^2 + 3959^2 .

It is a cyclic number.

It is not a de Polignac number, because 132529781 - 2²² = 128335477 is a prime.

It is a super-2 number, since 2×132529781² = 35128285703815922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132529181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66264890 + 66264891.

It is an arithmetic number, because the mean of its divisors is an integer number (66264891).

Almost surely, 2^132529781 is an apocalyptic number.

It is an amenable number.

132529781 is a deficient number, since it is larger than the sum of its proper divisors (1).

132529781 is an equidigital number, since it uses as much as digits as its factorization.

132529781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 38.

The square root of 132529781 is about 11512.1579645173. The cubic root of 132529781 is about 509.8446034309.

The spelling of 132529781 in words is "one hundred thirty-two million, five hundred twenty-nine thousand, seven hundred eighty-one".