1138445146799 has 16 divisors (see below), whose sum is σ = 1199699904480. Its totient is φ = 1077324779520.

The previous prime is 1138445146757. The next prime is 1138445146801. The reversal of 1138445146799 is 9976415448311.

It is a cyclic number.

It is not a de Polignac number, because 1138445146799 - 2³⁶ = 1069725670063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138445146739) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 69084749 + ... + 69101225.

It is an arithmetic number, because the mean of its divisors is an integer number (74981244030).

Almost surely, 2^{1138445146799} is an apocalyptic number.

1138445146799 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1138445146799 is a deficient number, since it is larger than the sum of its proper divisors (61254757681).

1138445146799 is a wasteful number, since it uses less digits than its factorization.

1138445146799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20330.

The product of its digits is 26127360, while the sum is 62.

The spelling of 1138445146799 in words is "one trillion, one hundred thirty-eight billion, four hundred forty-five million, one hundred forty-six thousand, seven hundred ninety-nine".