1138120234 has 8 divisors (see below), whose sum is σ = 1707786468. Its totient is φ = 568858080.

The previous prime is 1138120219. The next prime is 1138120289. The reversal of 1138120234 is 4320218311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 961310025 + 176810209 = 31005^2 + 13297^2 .

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 = 1138120199 and 1138120208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93877 + ... + 105304.

Almost surely, 2^1138120234 is an apocalyptic number.

1138120234 is a deficient number, since it is larger than the sum of its proper divisors (569666234).

1138120234 is a wasteful number, since it uses less digits than its factorization.

1138120234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202040.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1138120234 is about 33736.0376155825. The cubic root of 1138120234 is about 1044.0694337099.

Adding to 1138120234 its reverse (4320218311), we get a palindrome (5458338545).

The spelling of 1138120234 in words is "one billion, one hundred thirty-eight million, one hundred twenty thousand, two hundred thirty-four".