2240320136 has 16 divisors (see below), whose sum is σ = 4201817100. Its totient is φ = 1119835584.

The previous prime is 2240320109. The next prime is 2240320139. The reversal of 2240320136 is 6310230422.

It can be written as a sum of positive squares in 2 ways, for example, as 2236344100 + 3976036 = 47290^2 + 1994^2 .

It is not an unprimeable number, because it can be changed into a prime (2240320139) 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, 9851 + ... + 67658.

Almost surely, 2^2240320136 is an apocalyptic number.

It is an amenable number.

2240320136 is a deficient number, since it is larger than the sum of its proper divisors (1961496964).

2240320136 is a wasteful number, since it uses less digits than its factorization.

2240320136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81128 (or 81124 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2240320136 is about 47332.0201977477. The cubic root of 2240320136 is about 1308.4888536112.

Adding to 2240320136 its reverse (6310230422), we get a palindrome (8550550558).

The spelling of 2240320136 in words is "two billion, two hundred forty million, three hundred twenty thousand, one hundred thirty-six".