18488000136 has 32 divisors (see below), whose sum is σ = 46651969440. Its totient is φ = 6105070848.

The previous prime is 18488000129. The next prime is 18488000147. The reversal of 18488000136 is 63100088481.

It is a super-3 number, since 3×18488000136³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 18488000094 and 18488000103.

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, 3597121 + ... + 3602256.

It is an arithmetic number, because the mean of its divisors is an integer number (1457874045).

Almost surely, 2^18488000136 is an apocalyptic number.

It is an amenable number.

18488000136 is an abundant number, since it is smaller than the sum of its proper divisors (28163969304).

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

18488000136 is a wasteful number, since it uses less digits than its factorization.

18488000136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7199493 (or 7199489 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The spelling of 18488000136 in words is "eighteen billion, four hundred eighty-eight million, one hundred thirty-six", and thus it is an aban number.