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134143 = 532531
BaseRepresentation
bin100000101111111111
320211000021
4200233333
513243033
62513011
71066042
oct405777
9224007
10134143
1191869
1265767
1349099
1436c59
1529b2d
hex20bff

134143 has 4 divisors (see below), whose sum is σ = 136728. Its totient is φ = 131560.

The previous prime is 134129. The next prime is 134153. The reversal of 134143 is 341431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341431 = 421811.

It is a cyclic number.

It is not a de Polignac number, because 134143 - 29 = 133631 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 (134153) 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, 1213 + ... + 1318.

It is an arithmetic number, because the mean of its divisors is an integer number (34182).

2134143 is an apocalyptic number.

134143 is a deficient number, since it is larger than the sum of its proper divisors (2585).

134143 is an equidigital number, since it uses as much as digits as its factorization.

134143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584.

The product of its digits is 144, while the sum is 16.

The square root of 134143 is about 366.2553753872. The cubic root of 134143 is about 51.1904960794.

Adding to 134143 its reverse (341431), we get a palindrome (475574).

The spelling of 134143 in words is "one hundred thirty-four thousand, one hundred forty-three".

Divisors: 1 53 2531 134143