2143135 has 8 divisors (see below), whose sum is σ = 2608416.
Its totient is φ = 1690080.
The previous prime is 2143109. The next prime is 2143147. The reversal of 2143135 is 5313412.
Adding to 2143135 its reverse (5313412), we get a palindrome (7456547).
It can be divided in two parts, 2143 and 135, that added together give a triangular number (2278 = T67).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2143135 - 213 = 2134943 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2664 + ... + 3373.
It is an arithmetic number, because the mean of its divisors is an integer number (326052).
22143135 is an apocalyptic number.
2143135 is a deficient number, since it is larger than the sum of its proper divisors (465281).
2143135 is an equidigital number, since it uses as much as digits as its factorization.
2143135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6113.
The product of its digits is 360, while the sum is 19.
The square root of 2143135 is about 1463.9450126285.
The cubic root of 2143135 is about 128.9287710453.
The spelling of 2143135 in words is "two million, one hundred forty-three thousand, one hundred thirty-five".