1429287143 has 4 divisors (see below), whose sum is σ = 1444022160. Its totient is φ = 1414552128.

The previous prime is 1429287133. The next prime is 1429287149. The reversal of 1429287143 is 3417829241.

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

It is a cyclic number.

It is not a de Polignac number, because 1429287143 - 2¹⁰ = 1429286119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1429287143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429287149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7367363 + ... + 7367556.

It is an arithmetic number, because the mean of its divisors is an integer number (361005540).

Almost surely, 2^1429287143 is an apocalyptic number.

1429287143 is a deficient number, since it is larger than the sum of its proper divisors (14735017).

1429287143 is an equidigital number, since it uses as much as digits as its factorization.

1429287143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14735016.

The product of its digits is 96768, while the sum is 41.

The square root of 1429287143 is about 37805.9141272897. The cubic root of 1429287143 is about 1126.4359324760.

The spelling of 1429287143 in words is "one billion, four hundred twenty-nine million, two hundred eighty-seven thousand, one hundred forty-three".