1138000678 has 4 divisors (see below), whose sum is σ = 1707001020. Its totient is φ = 569000338.

The previous prime is 1138000667. The next prime is 1138000681. The reversal of 1138000678 is 8760008311.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 284500168 + ... + 284500171.

It is an arithmetic number, because the mean of its divisors is an integer number (426750255).

Almost surely, 2^1138000678 is an apocalyptic number.

1138000678 is a deficient number, since it is larger than the sum of its proper divisors (569000342).

1138000678 is an equidigital number, since it uses as much as digits as its factorization.

1138000678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569000341.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 1138000678 is about 33734.2656359969. The cubic root of 1138000678 is about 1044.0328736780.

Adding to 1138000678 its reverse (8760008311), we get a palindrome (9898008989).

The spelling of 1138000678 in words is "one billion, one hundred thirty-eight million, six hundred seventy-eight", and thus it is an aban number.