1142138304 has 42 divisors (see below), whose sum is σ = 3273734880. Its totient is φ = 380712576.

The previous prime is 1142138281. The next prime is 1142138323. The reversal of 1142138304 is 4038312411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 990864 + ... + 992015.

Almost surely, 2^1142138304 is an apocalyptic number.

It is an amenable number.

1142138304 is an abundant number, since it is smaller than the sum of its proper divisors (2131596576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142138304 is a wasteful number, since it uses less digits than its factorization.

1142138304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982897 (or 1982884 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1142138304 is about 33795.5367467362. The cubic root of 1142138304 is about 1045.2966669135.

The spelling of 1142138304 in words is "one billion, one hundred forty-two million, one hundred thirty-eight thousand, three hundred four".