1440130334 has 16 divisors (see below), whose sum is σ = 2216148336. Its totient is φ = 701635200.

The previous prime is 1440130331. The next prime is 1440130381. The reversal of 1440130334 is 4330310441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440130331) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 42107 + ... + 68214.

It is an arithmetic number, because the mean of its divisors is an integer number (138509271).

Almost surely, 2^1440130334 is an apocalyptic number.

1440130334 is a deficient number, since it is larger than the sum of its proper divisors (776018002).

1440130334 is a wasteful number, since it uses less digits than its factorization.

1440130334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110491.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1440130334 is about 37949.0491843999. The cubic root of 1440130334 is about 1129.2773027933.

Adding to 1440130334 its reverse (4330310441), we get a palindrome (5770440775).

The spelling of 1440130334 in words is "one billion, four hundred forty million, one hundred thirty thousand, three hundred thirty-four".