18343801134 has 32 divisors (see below), whose sum is σ = 40934592000. Its totient is φ = 6089011992.

The previous prime is 18343801129. The next prime is 18343801169. The reversal of 18343801134 is 43110834381.

It is a happy number.

18343801134 is a `hidden beast` number, since 183 + 438 + 0 + 11 + 34 = 666.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 697764 + ... + 723575.

It is an arithmetic number, because the mean of its divisors is an integer number (1279206000).

Almost surely, 2^18343801134 is an apocalyptic number.

18343801134 is an abundant number, since it is smaller than the sum of its proper divisors (22590790866).

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

18343801134 is a wasteful number, since it uses less digits than its factorization.

18343801134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421589 (or 1421583 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 18343801134 in words is "eighteen billion, three hundred forty-three million, eight hundred one thousand, one hundred thirty-four".