2136243045 has 16 divisors (see below), whose sum is σ = 3442582080. Its totient is φ = 1131131904.

The previous prime is 2136243041. The next prime is 2136243071. The reversal of 2136243045 is 5403426312.

It is not a de Polignac number, because 2136243045 - 2² = 2136243041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136243041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510204 + ... + 514373.

It is an arithmetic number, because the mean of its divisors is an integer number (215161380).

Almost surely, 2^2136243045 is an apocalyptic number.

It is an amenable number.

2136243045 is a deficient number, since it is larger than the sum of its proper divisors (1306339035).

2136243045 is a wasteful number, since it uses less digits than its factorization.

2136243045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024724.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 2136243045 is about 46219.5093548168. The cubic root of 2136243045 is about 1287.9041835301.

Adding to 2136243045 its reverse (5403426312), we get a palindrome (7539669357).

The spelling of 2136243045 in words is "two billion, one hundred thirty-six million, two hundred forty-three thousand, forty-five".