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135871327 = 1722320441
BaseRepresentation
bin10000001100100…
…11101101011111
3100110122222102101
420012103231133
5234240340302
621252105531
73236613214
oct1006235537
9313588371
10135871327
116a772159
12396052a7
13221c3047
141408bb0b
15bddd287
hex8193b5f

135871327 has 12 divisors (see below), whose sum is σ = 150616656. Its totient is φ = 122312960.

The previous prime is 135871319. The next prime is 135871349. The reversal of 135871327 is 723178531.

It is not a de Polignac number, because 135871327 - 23 = 135871319 is a prime.

It is a super-2 number, since 2×1358713272 = 36922035001481858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135871397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3574 + ... + 16867.

It is an arithmetic number, because the mean of its divisors is an integer number (12551388).

Almost surely, 2135871327 is an apocalyptic number.

135871327 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

135871327 is a deficient number, since it is larger than the sum of its proper divisors (14745329).

135871327 is a wasteful number, since it uses less digits than its factorization.

135871327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20498 (or 20481 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The square root of 135871327 is about 11656.3856748136. The cubic root of 135871327 is about 514.0940833698.

The spelling of 135871327 in words is "one hundred thirty-five million, eight hundred seventy-one thousand, three hundred twenty-seven".

Divisors: 1 17 23 289 391 6647 20441 347497 470143 5907449 7992431 135871327