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134138543 = 71122943127
BaseRepresentation
bin1111111111011…
…00101010101111
3100100101221111012
413333230222233
5233314413133
621151015435
73216105320
oct777545257
9310357435
10134138543
1169799300
1238b0a57b
1321a37426
1413b5a447
15bb99b48
hex7fecaaf

134138543 has 48 divisors (see below), whose sum is σ = 179773440. Its totient is φ = 97796160.

The previous prime is 134138539. The next prime is 134138549. The reversal of 134138543 is 345831431.

It is not a de Polignac number, because 134138543 - 22 = 134138539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134138549) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1056146 + ... + 1056272.

It is an arithmetic number, because the mean of its divisors is an integer number (3745280).

Almost surely, 2134138543 is an apocalyptic number.

134138543 is a deficient number, since it is larger than the sum of its proper divisors (45634897).

134138543 is a wasteful number, since it uses less digits than its factorization.

134138543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 217 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 134138543 is about 11581.8195029969. The cubic root of 134138543 is about 511.8992912579.

Adding to 134138543 its reverse (345831431), we get a palindrome (479969974).

The spelling of 134138543 in words is "one hundred thirty-four million, one hundred thirty-eight thousand, five hundred forty-three".

Divisors: 1 7 11 29 43 77 121 127 203 301 319 473 847 889 1247 1397 2233 3311 3509 3683 5203 5461 8729 9779 13717 15367 24563 25781 36421 38227 40513 60071 96019 107569 150887 158369 283591 420497 445643 660781 1056209 1108583 1742059 3119501 4625467 12194413 19162649 134138543