1073081439 has 56 divisors (see below), whose sum is σ = 1667043600. Its totient is φ = 690042240.

The previous prime is 1073081417. The next prime is 1073081441. The reversal of 1073081439 is 9341803701.

It is a happy number.

It is not a de Polignac number, because 1073081439 - 2¹⁵ = 1073048671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073081489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2623467 + ... + 2623875.

Almost surely, 2^1073081439 is an apocalyptic number.

1073081439 is a deficient number, since it is larger than the sum of its proper divisors (593962161).

1073081439 is an frugal number, since it uses more digits than its factorization.

1073081439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1073081439 is about 32757.9217747402. The cubic root of 1073081439 is about 1023.7900262095.

The spelling of 1073081439 in words is "one billion, seventy-three million, eighty-one thousand, four hundred thirty-nine".