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135271357 = 13157191347
BaseRepresentation
bin10000001000000…
…01001110111101
3100102112111102021
420010001032331
5234112140412
621231200141
73231534064
oct1004011675
9312474367
10135271357
116a3a2411
1239376051
1322042c30
1413d731db
15bd20607
hex81013bd

135271357 has 16 divisors (see below), whose sum is σ = 147796992. Its totient is φ = 123065280.

The previous prime is 135271327. The next prime is 135271369. The reversal of 135271357 is 753172531.

It is not a de Polignac number, because 135271357 - 27 = 135271229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135271327) 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 in 15 ways as a sum of consecutive naturals, for example, 389658 + ... + 390004.

It is an arithmetic number, because the mean of its divisors is an integer number (9237312).

Almost surely, 2135271357 is an apocalyptic number.

It is an amenable number.

135271357 is a deficient number, since it is larger than the sum of its proper divisors (12525635).

135271357 is a wasteful number, since it uses less digits than its factorization.

135271357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708.

The product of its digits is 22050, while the sum is 34.

The square root of 135271357 is about 11630.6215225155. The cubic root of 135271357 is about 513.3362679973.

It can be divided in two parts, 13527 and 1357, that added together give a square (14884 = 1222).

The spelling of 135271357 in words is "one hundred thirty-five million, two hundred seventy-one thousand, three hundred fifty-seven".

Divisors: 1 13 157 191 347 2041 2483 4511 29987 54479 66277 389831 708227 861601 10405489 135271357