18750136242 has 16 divisors (see below), whose sum is σ = 37519056000. Its totient is φ = 6246914832.

The previous prime is 18750136201. The next prime is 18750136259. The reversal of 18750136242 is 24263105781.

It is a self number, because there is not a number n which added to its sum of digits gives 18750136242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769653 + ... + 793640.

It is an arithmetic number, because the mean of its divisors is an integer number (2344941000).

Almost surely, 2^18750136242 is an apocalyptic number.

18750136242 is an abundant number, since it is smaller than the sum of its proper divisors (18768919758).

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

18750136242 is a wasteful number, since it uses less digits than its factorization.

18750136242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565297.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 18750136242 in words is "eighteen billion, seven hundred fifty million, one hundred thirty-six thousand, two hundred forty-two".