1138188104078 has 8 divisors (see below), whose sum is σ = 1707506202360. Its totient is φ = 569019369960.

The previous prime is 1138188104077. The next prime is 1138188104093. The reversal of 1138188104078 is 8704018818311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138188104077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37321988 + ... + 37352471.

It is an arithmetic number, because the mean of its divisors is an integer number (213438275295).

Almost surely, 2^{1138188104078} is an apocalyptic number.

1138188104078 is a deficient number, since it is larger than the sum of its proper divisors (569318098282).

1138188104078 is an equidigital number, since it uses as much as digits as its factorization.

1138188104078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74682082.

The product of its (nonzero) digits is 344064, while the sum is 50.

The spelling of 1138188104078 in words is "one trillion, one hundred thirty-eight billion, one hundred eighty-eight million, one hundred four thousand, seventy-eight".