2135216 has 10 divisors (see below), whose sum is σ = 4137012. Its totient is φ = 1067600.

The previous prime is 2135213. The next prime is 2135219. The reversal of 2135216 is 6125312.

It is an interprime number because it is at equal distance from previous prime (2135213) and next prime (2135219).

It is not an unprimeable number, because it can be changed into a prime (2135213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66710 + ... + 66741.

2^2135216 is an apocalyptic number.

It is an amenable number.

2135216 is a deficient number, since it is larger than the sum of its proper divisors (2001796).

2135216 is a wasteful number, since it uses less digits than its factorization.

2135216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133459 (or 133453 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 2135216 is about 1461.2378314292. The cubic root of 2135216 is about 128.7697754524.

The spelling of 2135216 in words is "two million, one hundred thirty-five thousand, two hundred sixteen".