1138143382078 has 32 divisors (see below), whose sum is σ = 1769613778944. Its totient is φ = 548660462112.

The previous prime is 1138143382049. The next prime is 1138143382093. The reversal of 1138143382078 is 8702833418311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1887151 + ... + 2416117.

It is an arithmetic number, because the mean of its divisors is an integer number (55300430592).

Almost surely, 2^{1138143382078} is an apocalyptic number.

1138143382078 is a deficient number, since it is larger than the sum of its proper divisors (631470396866).

1138143382078 is a wasteful number, since it uses less digits than its factorization.

1138143382078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529336.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 1138143382078 in words is "one trillion, one hundred thirty-eight billion, one hundred forty-three million, three hundred eighty-two thousand, seventy-eight".