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132645637 is a prime number
BaseRepresentation
bin1111110100000…
…00001100000101
3100020121002121101
413322000030011
5232424130022
621055020101
73200316655
oct772001405
9306532541
10132645637
11689696a3
123850a631
1321633a57
141388c365
15b9a2627
hex7e80305

132645637 has 2 divisors, whose sum is σ = 132645638. Its totient is φ = 132645636.

The previous prime is 132645607. The next prime is 132645641. The reversal of 132645637 is 736546231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132572196 + 73441 = 11514^2 + 271^2 .

It is an emirp because it is prime and its reverse (736546231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-132645637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 132645596 and 132645605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132645607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66322818 + 66322819.

It is an arithmetic number, because the mean of its divisors is an integer number (66322819).

Almost surely, 2132645637 is an apocalyptic number.

It is an amenable number.

132645637 is a deficient number, since it is larger than the sum of its proper divisors (1).

132645637 is an equidigital number, since it uses as much as digits as its factorization.

132645637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 37.

The square root of 132645637 is about 11517.1887628883. The cubic root of 132645637 is about 509.9931269098.

The spelling of 132645637 in words is "one hundred thirty-two million, six hundred forty-five thousand, six hundred thirty-seven".