1138027238 has 8 divisors (see below), whose sum is σ = 1708331232. Its totient is φ = 568583496.

The previous prime is 1138027171. The next prime is 1138027271. The reversal of 1138027238 is 8327208311.

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

It is a junction number, because it is equal to n+sod(n) for n = 1138027198 and 1138027207.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 211745 + ... + 217052.

It is an arithmetic number, because the mean of its divisors is an integer number (213541404).

Almost surely, 2^1138027238 is an apocalyptic number.

1138027238 is a deficient number, since it is larger than the sum of its proper divisors (570303994).

1138027238 is a wasteful number, since it uses less digits than its factorization.

1138027238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430126.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1138027238 is about 33734.6592987094. The cubic root of 1138027238 is about 1044.0409959044.

The spelling of 1138027238 in words is "one billion, one hundred thirty-eight million, twenty-seven thousand, two hundred thirty-eight".