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132587309 is a prime number
BaseRepresentation
bin1111110011100…
…01111100101101
3100020111010121002
413321301330231
5232420243214
621053450045
73166654631
oct771617455
9306433532
10132587309
1168929898
12384a0925
132161333a
1413874dc1
15b9901de
hex7e71f2d

132587309 has 2 divisors, whose sum is σ = 132587310. Its totient is φ = 132587308.

The previous prime is 132587293. The next prime is 132587311. The reversal of 132587309 is 903785231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131171209 + 1416100 = 11453^2 + 1190^2 .

It is a cyclic number.

It is not a de Polignac number, because 132587309 - 24 = 132587293 is a prime.

It is a super-2 number, since 2×1325873092 = 35158789015722962, which contains 22 as substring.

Together with 132587311, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132587009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66293654 + 66293655.

It is an arithmetic number, because the mean of its divisors is an integer number (66293655).

Almost surely, 2132587309 is an apocalyptic number.

It is an amenable number.

132587309 is a deficient number, since it is larger than the sum of its proper divisors (1).

132587309 is an equidigital number, since it uses as much as digits as its factorization.

132587309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 132587309 is about 11514.6562692944. The cubic root of 132587309 is about 509.9183631985.

The spelling of 132587309 in words is "one hundred thirty-two million, five hundred eighty-seven thousand, three hundred nine".