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134006143 = 891505687
BaseRepresentation
bin1111111110011…
…00010101111111
3100100011012212111
413333030111333
5233301144033
621144114451
73215014315
oct777142577
9310135774
10134006143
1169708887
1238a65a27
13219bc09b
1413b240b5
15bb707cd
hex7fcc57f

134006143 has 4 divisors (see below), whose sum is σ = 135511920. Its totient is φ = 132500368.

The previous prime is 134006137. The next prime is 134006153. The reversal of 134006143 is 341600431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341600431 = 1720094143.

It is a cyclic number.

It is not a de Polignac number, because 134006143 - 29 = 134005631 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 (134006113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752755 + ... + 752932.

It is an arithmetic number, because the mean of its divisors is an integer number (33877980).

Almost surely, 2134006143 is an apocalyptic number.

134006143 is a deficient number, since it is larger than the sum of its proper divisors (1505777).

134006143 is an equidigital number, since it uses as much as digits as its factorization.

134006143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505776.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 134006143 is about 11576.1022369362. The cubic root of 134006143 is about 511.7308142592.

Adding to 134006143 its reverse (341600431), we get a palindrome (475606574).

The spelling of 134006143 in words is "one hundred thirty-four million, six thousand, one hundred forty-three".

Divisors: 1 89 1505687 134006143