1013800518 has 96 divisors (see below), whose sum is σ = 2399061600. Its totient is φ = 308302848.

The previous prime is 1013800507. The next prime is 1013800523. The reversal of 1013800518 is 8150083101.

1013800518 is a `hidden beast` number, since 10 + 138 + 0 + 0 + 518 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1013800491 and 1013800500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1429548 + ... + 1430256.

It is an arithmetic number, because the mean of its divisors is an integer number (24990225).

Almost surely, 2^1013800518 is an apocalyptic number.

1013800518 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013800518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1199530800).

1013800518 is an abundant number, since it is smaller than the sum of its proper divisors (1385261082).

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

1013800518 is a wasteful number, since it uses less digits than its factorization.

1013800518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 1013800518 is about 31840.2342642136. The cubic root of 1013800518 is about 1004.5791718453.

Adding to 1013800518 its reverse (8150083101), we get a palindrome (9163883619).

The spelling of 1013800518 in words is "one billion, thirteen million, eight hundred thousand, five hundred eighteen".