2136006221 has 8 divisors (see below), whose sum is σ = 2158857888. Its totient is φ = 2113254000.

The previous prime is 2136006217. The next prime is 2136006241. The reversal of 2136006221 is 1226006312.

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 2136006221 - 2² = 2136006217 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 (2136006241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18731 + ... + 67991.

It is an arithmetic number, because the mean of its divisors is an integer number (269857236).

Almost surely, 2^2136006221 is an apocalyptic number.

It is an amenable number.

2136006221 is a deficient number, since it is larger than the sum of its proper divisors (22851667).

2136006221 is a wasteful number, since it uses less digits than its factorization.

2136006221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49723.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2136006221 is about 46216.9473353661. The cubic root of 2136006221 is about 1287.8565893994.

Subtracting from 2136006221 its reverse (1226006312), we obtain a palindrome (909999909).

The spelling of 2136006221 in words is "two billion, one hundred thirty-six million, six thousand, two hundred twenty-one".