8135143 has 8 divisors (see below), whose sum is σ = 8323376. Its totient is φ = 7948800.

The previous prime is 8135137. The next prime is 8135147. The reversal of 8135143 is 3415318.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8135143 - 2¹⁷ = 8004071 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 (8135147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11428 + ... + 12118.

It is an arithmetic number, because the mean of its divisors is an integer number (1040422).

Almost surely, 2^8135143 is an apocalyptic number.

8135143 is a deficient number, since it is larger than the sum of its proper divisors (188233).

8135143 is a wasteful number, since it uses less digits than its factorization.

8135143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945.

The product of its digits is 1440, while the sum is 25.

The square root of 8135143 is about 2852.2172077175. The cubic root of 8135143 is about 201.1199089812.

The spelling of 8135143 in words is "eight million, one hundred thirty-five thousand, one hundred forty-three".