105143135 has 8 divisors (see below), whose sum is σ = 126228480. Its totient is φ = 84076704.

The previous prime is 105143123. The next prime is 105143153. The reversal of 105143135 is 531341501.

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 105143135 - 2¹² = 105139039 is a prime.

It is a super-2 number, since 2×105143135² = 22110157675256450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105143135.

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, 14981 + ... + 20849.

It is an arithmetic number, because the mean of its divisors is an integer number (15778560).

Almost surely, 2^105143135 is an apocalyptic number.

105143135 is a deficient number, since it is larger than the sum of its proper divisors (21085345).

105143135 is an equidigital number, since it uses as much as digits as its factorization.

105143135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9457.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 105143135 is about 10253.9326602041. The cubic root of 105143135 is about 471.9836712129.

Adding to 105143135 its reverse (531341501), we get a palindrome (636484636).

The spelling of 105143135 in words is "one hundred five million, one hundred forty-three thousand, one hundred thirty-five".