18701013130 has 16 divisors (see below), whose sum is σ = 33664303080. Its totient is φ = 7479854272.

The previous prime is 18701013077. The next prime is 18701013151. The reversal of 18701013130 is 3131010781.

It can be written as a sum of positive squares in 4 ways, for example, as 18170770401 + 530242729 = 134799^2 + 23027^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18701013095 and 18701013104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91452 + ... + 213928.

Almost surely, 2^18701013130 is an apocalyptic number.

18701013130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18701013130 is a deficient number, since it is larger than the sum of its proper divisors (14963289950).

18701013130 is a wasteful number, since it uses less digits than its factorization.

18701013130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137753.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 18701013130 in words is "eighteen billion, seven hundred one million, thirteen thousand, one hundred thirty".