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134810873 = 1091236797
BaseRepresentation
bin10000000100100…
…00110011111001
3100101200002202022
420002100303321
5234002421443
621213244225
73224605421
oct1002206371
9311602668
10134810873
116a10844a
1239193675
1321c11462
1413c93481
15bc7de68
hex8090cf9

134810873 has 4 divisors (see below), whose sum is σ = 136047780. Its totient is φ = 133573968.

The previous prime is 134810849. The next prime is 134810927. The reversal of 134810873 is 378018431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43665664 + 91145209 = 6608^2 + 9547^2 .

It is a cyclic number.

It is not a de Polignac number, because 134810873 - 210 = 134809849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134810803) 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 3 ways as a sum of consecutive naturals, for example, 618290 + ... + 618507.

It is an arithmetic number, because the mean of its divisors is an integer number (34011945).

Almost surely, 2134810873 is an apocalyptic number.

It is an amenable number.

134810873 is a deficient number, since it is larger than the sum of its proper divisors (1236907).

134810873 is a wasteful number, since it uses less digits than its factorization.

134810873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236906.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 134810873 is about 11610.8084559173. The cubic root of 134810873 is about 512.7531145503.

It can be divided in two parts, 1348 and 10873, that added together give a palindrome (12221).

The spelling of 134810873 in words is "one hundred thirty-four million, eight hundred ten thousand, eight hundred seventy-three".

Divisors: 1 109 1236797 134810873