1138386127 has 8 divisors (see below), whose sum is σ = 1188548064. Its totient is φ = 1088279808.

The previous prime is 1138386091. The next prime is 1138386143. The reversal of 1138386127 is 7216838311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1138386127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1138386127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138386527) 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 7 ways as a sum of consecutive naturals, for example, 31063 + ... + 56935.

It is an arithmetic number, because the mean of its divisors is an integer number (148568508).

Almost surely, 2^1138386127 is an apocalyptic number.

1138386127 is a deficient number, since it is larger than the sum of its proper divisors (50161937).

1138386127 is a wasteful number, since it uses less digits than its factorization.

1138386127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27809.

The product of its digits is 48384, while the sum is 40.

The square root of 1138386127 is about 33739.9781713030. The cubic root of 1138386127 is about 1044.1507341823.

The spelling of 1138386127 in words is "one billion, one hundred thirty-eight million, three hundred eighty-six thousand, one hundred twenty-seven".