1839133442 has 8 divisors (see below), whose sum is σ = 2786014332. Its totient is φ = 910462000.

The previous prime is 1839133411. The next prime is 1839133459. The reversal of 1839133442 is 2443319381.

It can be written as a sum of positive squares in 2 ways, for example, as 1225630081 + 613503361 = 35009^2 + 24769^2 .

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 = 1839133396 and 1839133405.

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, 4552109 + ... + 4552512.

Almost surely, 2^1839133442 is an apocalyptic number.

1839133442 is a deficient number, since it is larger than the sum of its proper divisors (946880890).

1839133442 is a wasteful number, since it uses less digits than its factorization.

1839133442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9104724.

The product of its digits is 62208, while the sum is 38.

The square root of 1839133442 is about 42885.1191207393. The cubic root of 1839133442 is about 1225.1927375760.

The spelling of 1839133442 in words is "one billion, eight hundred thirty-nine million, one hundred thirty-three thousand, four hundred forty-two".