1142335384 has 8 divisors (see below), whose sum is σ = 2141878860. Its totient is φ = 571167688.

The previous prime is 1142335379. The next prime is 1142335393. The reversal of 1142335384 is 4835332411.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71395954 + ... + 71395969.

Almost surely, 2^1142335384 is an apocalyptic number.

It is an amenable number.

1142335384 is a deficient number, since it is larger than the sum of its proper divisors (999543476).

1142335384 is a wasteful number, since it uses less digits than its factorization.

1142335384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142791929 (or 142791925 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 1142335384 is about 33798.4523906051. The cubic root of 1142335384 is about 1045.3567866668.

Adding to 1142335384 its reverse (4835332411), we get a palindrome (5977667795).

The spelling of 1142335384 in words is "one billion, one hundred forty-two million, three hundred thirty-five thousand, three hundred eighty-four".