1440143126 has 24 divisors (see below), whose sum is σ = 2218755672. Its totient is φ = 700968800.

The previous prime is 1440143113. The next prime is 1440143141. The reversal of 1440143126 is 6213410441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1440143095 and 1440143104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 835946 + ... + 837666.

It is an arithmetic number, because the mean of its divisors is an integer number (92448153).

Almost surely, 2^1440143126 is an apocalyptic number.

1440143126 is a deficient number, since it is larger than the sum of its proper divisors (778612546).

1440143126 is an equidigital number, since it uses as much as digits as its factorization.

1440143126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948 (or 1877 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1440143126 is about 37949.2177257977. The cubic root of 1440143126 is about 1129.2806463963.

Adding to 1440143126 its reverse (6213410441), we get a palindrome (7653553567).

The spelling of 1440143126 in words is "one billion, four hundred forty million, one hundred forty-three thousand, one hundred twenty-six".