2136440034 has 48 divisors (see below), whose sum is σ = 4799995200. Its totient is φ = 685950048.

The previous prime is 2136440023. The next prime is 2136440039. The reversal of 2136440034 is 4300446312.

2136440034 is a `hidden beast` number, since 2 + 13 + 644 + 0 + 0 + 3 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (2136440039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224497 + ... + 233819.

It is an arithmetic number, because the mean of its divisors is an integer number (99999900).

Almost surely, 2^2136440034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2136440034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2399997600).

2136440034 is an abundant number, since it is smaller than the sum of its proper divisors (2663555166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2136440034 is a wasteful number, since it uses less digits than its factorization.

2136440034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9799 (or 9796 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 2136440034 is about 46221.6403213906. The cubic root of 2136440034 is about 1287.9437694065.

Adding to 2136440034 its reverse (4300446312), we get a palindrome (6436886346).

The spelling of 2136440034 in words is "two billion, one hundred thirty-six million, four hundred forty thousand, thirty-four".