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135230369 is a prime number
BaseRepresentation
bin10000000111101…
…11001110100001
3100102110102012012
420003313032201
5234104332434
621230242305
73231303431
oct1003671641
9312412165
10135230369
116a37463a
1239356395
132202a391
1413d622c1
15bd133ce
hex80f73a1

135230369 has 2 divisors, whose sum is σ = 135230370. Its totient is φ = 135230368.

The previous prime is 135230357. The next prime is 135230387. The reversal of 135230369 is 963032531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120121600 + 15108769 = 10960^2 + 3887^2 .

It is an emirp because it is prime and its reverse (963032531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135230369 - 216 = 135164833 is a prime.

It is a super-2 number, since 2×1352303692 = 36574505399752322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135230309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67615184 + 67615185.

It is an arithmetic number, because the mean of its divisors is an integer number (67615185).

Almost surely, 2135230369 is an apocalyptic number.

It is an amenable number.

135230369 is a deficient number, since it is larger than the sum of its proper divisors (1).

135230369 is an equidigital number, since it uses as much as digits as its factorization.

135230369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 135230369 is about 11628.8593163732. The cubic root of 135230369 is about 513.2844148114.

The spelling of 135230369 in words is "one hundred thirty-five million, two hundred thirty thousand, three hundred sixty-nine".