1143068687234 has 4 divisors (see below), whose sum is σ = 1714603030854. Its totient is φ = 571534343616.

The previous prime is 1143068687203. The next prime is 1143068687251. The reversal of 1143068687234 is 4327868603411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 597147199009 + 545921488225 = 772753^2 + 738865^2 .

It is a super-2 number, since 2×1143068687234² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285767171807 + ... + 285767171810.

Almost surely, 2^{1143068687234} is an apocalyptic number.

1143068687234 is a deficient number, since it is larger than the sum of its proper divisors (571534343620).

1143068687234 is an equidigital number, since it uses as much as digits as its factorization.

1143068687234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571534343619.

The product of its (nonzero) digits is 4644864, while the sum is 53.

The spelling of 1143068687234 in words is "one trillion, one hundred forty-three billion, sixty-eight million, six hundred eighty-seven thousand, two hundred thirty-four".