38358687834138 has 48 divisors (see below), whose sum is σ = 89245744285824. Its totient is φ = 10959246506880.

The previous prime is 38358687834107. The next prime is 38358687834149. The reversal of 38358687834138 is 83143878685383.

It is a self number, because there is not a number n which added to its sum of digits gives 38358687834138.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6327343 + ... + 10805213.

It is an arithmetic number, because the mean of its divisors is an integer number (1859286339288).

Almost surely, 2^{38358687834138} is an apocalyptic number.

38358687834138 is an abundant number, since it is smaller than the sum of its proper divisors (50887056451686).

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

38358687834138 is a wasteful number, since it uses less digits than its factorization.

38358687834138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507027 (or 4507020 counting only the distinct ones).

The product of its digits is 2229534720, while the sum is 75.

The spelling of 38358687834138 in words is "thirty-eight trillion, three hundred fifty-eight billion, six hundred eighty-seven million, eight hundred thirty-four thousand, one hundred thirty-eight".