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135507271 is a prime number
BaseRepresentation
bin10000001001110…
…10110101000111
3100102222111000211
420010322311013
5234142213041
621240220251
73233535634
oct1004726507
9312874024
10135507271
116a543689
123946a687
13220c6423
1413dd518b
15bd6a481
hex813ad47

135507271 has 2 divisors, whose sum is σ = 135507272. Its totient is φ = 135507270.

The previous prime is 135507269. The next prime is 135507301. The reversal of 135507271 is 172705531.

It is a weak prime.

It is an emirp because it is prime and its reverse (172705531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135507271 - 21 = 135507269 is a prime.

Together with 135507269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135507241) 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, 67753635 + 67753636.

It is an arithmetic number, because the mean of its divisors is an integer number (67753636).

Almost surely, 2135507271 is an apocalyptic number.

135507271 is a deficient number, since it is larger than the sum of its proper divisors (1).

135507271 is an equidigital number, since it uses as much as digits as its factorization.

135507271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 135507271 is about 11640.7590388256. The cubic root of 135507271 is about 513.6345151197.

The spelling of 135507271 in words is "one hundred thirty-five million, five hundred seven thousand, two hundred seventy-one".