2100135 has 8 divisors (see below), whose sum is σ = 3360240. Its totient is φ = 1120064.

The previous prime is 2100121. The next prime is 2100167. The reversal of 2100135 is 5310012.

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 2100135 - 2⁶ = 2100071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2100135.

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, 69990 + ... + 70019.

It is an arithmetic number, because the mean of its divisors is an integer number (420030).

2^2100135 is an apocalyptic number.

2100135 is a deficient number, since it is larger than the sum of its proper divisors (1260105).

2100135 is a wasteful number, since it uses less digits than its factorization.

2100135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140017.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 2100135 is about 1449.1842532956. The cubic root of 2100135 is about 128.0606605382.

Adding to 2100135 its reverse (5310012), we get a palindrome (7410147).

The spelling of 2100135 in words is "two million, one hundred thousand, one hundred thirty-five".