1140143406 has 8 divisors (see below), whose sum is σ = 2280286824. Its totient is φ = 380047800.

The previous prime is 1140143383. The next prime is 1140143441. The reversal of 1140143406 is 6043410411.

It is a sphenic number, since it is the product of 3 distinct primes.

1140143406 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95011945 + ... + 95011956.

It is an arithmetic number, because the mean of its divisors is an integer number (285035853).

Almost surely, 2^1140143406 is an apocalyptic number.

1140143406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1140143406 is a wasteful number, since it uses less digits than its factorization.

1140143406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190023906.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1140143406 is about 33766.0096250653. The cubic root of 1140143406 is about 1044.6877285550.

Adding to 1140143406 its reverse (6043410411), we get a palindrome (7183553817).

The spelling of 1140143406 in words is "one billion, one hundred forty million, one hundred forty-three thousand, four hundred six".