1143888003729 has 9 divisors (see below), whose sum is σ = 1652287306683. Its totient is φ = 762589863432.

The previous prime is 1143888003701. The next prime is 1143888003749. The reversal of 1143888003729 is 9273008883411.

It is a happy number.

The square root of 1143888003729 is 1069527.

It is a perfect power (a square), and thus also a powerful number.

1143888003729 is a `hidden beast` number, since 114 + 3 + 88 + 80 + 0 + 372 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1142604931329 + 1283072400 = 1068927^2 + 35820^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1143888003729 - 2³⁵ = 1109528265361 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1143888003749) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3030327 + ... + 3386835.

Almost surely, 2^{1143888003729} is an apocalyptic number.

1143888003729 is the 1069527-th square number.

1143888003729 is the 534764-th centered octagonal number.

It is an amenable number.

1143888003729 is a deficient number, since it is larger than the sum of its proper divisors (508399302954).

1143888003729 is an frugal number, since it uses more digits than its factorization.

1143888003729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713024 (or 356512 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 1143888003729 in words is "one trillion, one hundred forty-three billion, eight hundred eighty-eight million, three thousand, seven hundred twenty-nine".