1138318767 has 12 divisors (see below), whose sum is σ = 1644888544. Its totient is φ = 758579040.

The previous prime is 1138318717. The next prime is 1138318777. The reversal of 1138318767 is 7678138311.

It is not a de Polignac number, because 1138318767 - 2⁶ = 1138318703 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 (1138318717) 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 11 ways as a sum of consecutive naturals, for example, 363 + ... + 47715.

Almost surely, 2^1138318767 is an apocalyptic number.

1138318767 is a deficient number, since it is larger than the sum of its proper divisors (506569777).

1138318767 is a wasteful number, since it uses less digits than its factorization.

1138318767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50030 (or 50027 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 1138318767 is about 33738.9799341948. The cubic root of 1138318767 is about 1044.1301391255.

The spelling of 1138318767 in words is "one billion, one hundred thirty-eight million, three hundred eighteen thousand, seven hundred sixty-seven".