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134217689 is a prime number
BaseRepresentation
bin1111111111111…
…11111111011001
3100100112222001112
413333333333121
5233324431224
621152430105
73216555134
oct777777731
9310488045
10134217689
1169842811
1238b48335
1321a64468
1413b7b21b
15bbb330e
hex7ffffd9

134217689 has 2 divisors, whose sum is σ = 134217690. Its totient is φ = 134217688.

The previous prime is 134217649. The next prime is 134217757. The reversal of 134217689 is 986712431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124657225 + 9560464 = 11165^2 + 3092^2 .

It is a cyclic number.

It is not a de Polignac number, because 134217689 - 224 = 117440473 is a prime.

It is a Chen prime.

It is a nialpdrome in base 8.

It is not a weakly prime, because it can be changed into another prime (134217649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67108844 + 67108845.

It is an arithmetic number, because the mean of its divisors is an integer number (67108845).

Almost surely, 2134217689 is an apocalyptic number.

It is an amenable number.

134217689 is a deficient number, since it is larger than the sum of its proper divisors (1).

134217689 is an equidigital number, since it uses as much as digits as its factorization.

134217689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The square root of 134217689 is about 11585.2358197837. The cubic root of 134217689 is about 511.9999504089. Note that the first 4 decimals are identical.

The spelling of 134217689 in words is "one hundred thirty-four million, two hundred seventeen thousand, six hundred eighty-nine".