2135206 has 8 divisors (see below), whose sum is σ = 3212640. Its totient is φ = 1064328.

The previous prime is 2135197. The next prime is 2135207. The reversal of 2135206 is 6025312.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721 + ... + 2188.

It is an arithmetic number, because the mean of its divisors is an integer number (401580).

2^2135206 is an apocalyptic number.

2135206 is a deficient number, since it is larger than the sum of its proper divisors (1077434).

2135206 is a wasteful number, since it uses less digits than its factorization.

2135206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2135206 is about 1461.2344096688. The cubic root of 2135206 is about 128.7695744267.

The spelling of 2135206 in words is "two million, one hundred thirty-five thousand, two hundred six".