2018900136 has 64 divisors (see below), whose sum is σ = 5526604800. Its totient is φ = 609508800.

The previous prime is 2018900131. The next prime is 2018900137. The reversal of 2018900136 is 6310098102.

It is not an unprimeable number, because it can be changed into a prime (2018900131) 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, 57435 + ... + 85653.

It is an arithmetic number, because the mean of its divisors is an integer number (86353200).

Almost surely, 2^2018900136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2018900136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2763302400).

2018900136 is an abundant number, since it is smaller than the sum of its proper divisors (3507704664).

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

2018900136 is a wasteful number, since it uses less digits than its factorization.

2018900136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28510 (or 28506 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 2018900136 is about 44932.1726160665. The cubic root of 2018900136 is about 1263.8773932377.

Adding to 2018900136 its reverse (6310098102), we get a palindrome (8328998238).

The spelling of 2018900136 in words is "two billion, eighteen million, nine hundred thousand, one hundred thirty-six".