1143141239 has 16 divisors (see below), whose sum is σ = 1206019584. Its totient is φ = 1081423200.

The previous prime is 1143141221. The next prime is 1143141271. The reversal of 1143141239 is 9321413411.

It is a happy number.

It is not a de Polignac number, because 1143141239 - 2⁸ = 1143140983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143141299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1388582 + ... + 1389404.

It is an arithmetic number, because the mean of its divisors is an integer number (75376224).

Almost surely, 2^1143141239 is an apocalyptic number.

1143141239 is a deficient number, since it is larger than the sum of its proper divisors (62878345).

1143141239 is a wasteful number, since it uses less digits than its factorization.

1143141239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438.

The product of its digits is 2592, while the sum is 29.

The square root of 1143141239 is about 33810.3717666636. The cubic root of 1143141239 is about 1045.6025428584.

The spelling of 1143141239 in words is "one billion, one hundred forty-three million, one hundred forty-one thousand, two hundred thirty-nine".