2136605 has 8 divisors (see below), whose sum is σ = 2573664. Its totient is φ = 1702800.

The previous prime is 2136601. The next prime is 2136643. The reversal of 2136605 is 5066312.

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

It is not a de Polignac number, because 2136605 - 2² = 2136601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010 + ... + 2300.

It is an arithmetic number, because the mean of its divisors is an integer number (321708).

2^2136605 is an apocalyptic number.

It is an amenable number.

2136605 is a deficient number, since it is larger than the sum of its proper divisors (437059).

2136605 is a wasteful number, since it uses less digits than its factorization.

2136605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2136605 is about 1461.7130361326. The cubic root of 2136605 is about 128.7976918237.

The spelling of 2136605 in words is "two million, one hundred thirty-six thousand, six hundred five".