1138371829 has 16 divisors (see below), whose sum is σ = 1347321600. Its totient is φ = 941076864.

The previous prime is 1138371811. The next prime is 1138371851. The reversal of 1138371829 is 9281738311.

It is not a de Polignac number, because 1138371829 - 2¹³ = 1138363637 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 (1138371029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226704 + ... + 231670.

It is an arithmetic number, because the mean of its divisors is an integer number (84207600).

Almost surely, 2^1138371829 is an apocalyptic number.

It is an amenable number.

1138371829 is a deficient number, since it is larger than the sum of its proper divisors (208949771).

1138371829 is a wasteful number, since it uses less digits than its factorization.

1138371829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6132.

The product of its digits is 72576, while the sum is 43.

The square root of 1138371829 is about 33739.7662854976. The cubic root of 1138371829 is about 1044.1463626926.

The spelling of 1138371829 in words is "one billion, one hundred thirty-eight million, three hundred seventy-one thousand, eight hundred twenty-nine".