1138273827 has 8 divisors (see below), whose sum is σ = 1523062464. Its totient is φ = 756167208.

The previous prime is 1138273823. The next prime is 1138273849. The reversal of 1138273827 is 7283728311.

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

It is not a de Polignac number, because 1138273827 - 2² = 1138273823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1138273823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669513 + ... + 671210.

It is an arithmetic number, because the mean of its divisors is an integer number (190382808).

Almost surely, 2^1138273827 is an apocalyptic number.

1138273827 is a deficient number, since it is larger than the sum of its proper divisors (384788637).

1138273827 is a wasteful number, since it uses less digits than its factorization.

1138273827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341009.

The product of its digits is 112896, while the sum is 42.

The square root of 1138273827 is about 33738.3139323826. The cubic root of 1138273827 is about 1044.1163984443.

The spelling of 1138273827 in words is "one billion, one hundred thirty-eight million, two hundred seventy-three thousand, eight hundred twenty-seven".