1839142232 has 8 divisors (see below), whose sum is σ = 3448391700. Its totient is φ = 919571112.

The previous prime is 1839142223. The next prime is 1839142237. The reversal of 1839142232 is 2322419381.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1839142192 and 1839142201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1839142237) 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 as a sum of consecutive naturals, namely, 114946382 + ... + 114946397.

Almost surely, 2^1839142232 is an apocalyptic number.

It is an amenable number.

1839142232 is a deficient number, since it is larger than the sum of its proper divisors (1609249468).

1839142232 is a wasteful number, since it uses less digits than its factorization.

1839142232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229892785 (or 229892781 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 1839142232 is about 42885.2216037180. The cubic root of 1839142232 is about 1225.1946894784.

The spelling of 1839142232 in words is "one billion, eight hundred thirty-nine million, one hundred forty-two thousand, two hundred thirty-two".