1813150000 has 60 divisors (see below), whose sum is σ = 4391062704. Its totient is φ = 725240000.

The previous prime is 1813149991. The next prime is 1813150021. The reversal of 1813150000 is 513181.

It is a self number, because there is not a number n which added to its sum of digits gives 1813150000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31869 + ... + 68131.

Almost surely, 2^1813150000 is an apocalyptic number.

1813150000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1813150000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2195531352).

1813150000 is an abundant number, since it is smaller than the sum of its proper divisors (2577912704).

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

1813150000 is an frugal number, since it uses more digits than its factorization.

1813150000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36296 (or 36270 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1813150000 is about 42581.0990933771. The cubic root of 1813150000 is about 1219.3954722431.

Adding to 1813150000 its reverse (513181), we get a palindrome (1813663181).

The spelling of 1813150000 in words is "one billion, eight hundred thirteen million, one hundred fifty thousand".