1143139457329 has 9 divisors (see below), whose sum is σ = 1145476095673. Its totient is φ = 1140807582292.

The previous prime is 1143139457321. The next prime is 1143139457357. The reversal of 1143139457329 is 9237549313411.

It is a happy number.

The square root of 1143139457329 is 1069177.

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

It is not a de Polignac number, because 1143139457329 - 2³ = 1143139457321 is a prime.

It is a super-2 number, since 2×1143139457329² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143139457321) 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, 794397792 + ... + 794399230.

Almost surely, 2^{1143139457329} is an apocalyptic number.

1143139457329 is the 1069177-th square number.

1143139457329 is the 534589-th centered octagonal number.

It is an amenable number.

1143139457329 is a deficient number, since it is larger than the sum of its proper divisors (2336638344).

1143139457329 is an frugal number, since it uses more digits than its factorization.

1143139457329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364 (or 2182 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 52.

The spelling of 1143139457329 in words is "one trillion, one hundred forty-three billion, one hundred thirty-nine million, four hundred fifty-seven thousand, three hundred twenty-nine".