1013001808 has 40 divisors (see below), whose sum is σ = 2415623168. Its totient is φ = 400747392.

The previous prime is 1013001767. The next prime is 1013001809. The reversal of 1013001808 is 8081003101.

It is a super-2 number, since 2×1013001808² = 2052345326022537728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013001809) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 346416 + ... + 349327.

Almost surely, 2^1013001808 is an apocalyptic number.

It is an amenable number.

1013001808 is an abundant number, since it is smaller than the sum of its proper divisors (1402621360).

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

1013001808 is a wasteful number, since it uses less digits than its factorization.

1013001808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695771 (or 695765 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 1013001808 is about 31827.6893286333. The cubic root of 1013001808 is about 1004.3152875077.

Adding to 1013001808 its reverse (8081003101), we get a palindrome (9094004909).

The spelling of 1013001808 in words is "one billion, thirteen million, one thousand, eight hundred eight".