1013320439 has 8 divisors (see below), whose sum is σ = 1027110720. Its totient is φ = 999554400.

The previous prime is 1013320391. The next prime is 1013320487. The reversal of 1013320439 is 9340233101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1013320391) and next prime (1013320487).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013320439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013328439) 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, 87869 + ... + 98729.

It is an arithmetic number, because the mean of its divisors is an integer number (128388840).

Almost surely, 2^1013320439 is an apocalyptic number.

1013320439 is a deficient number, since it is larger than the sum of its proper divisors (13790281).

1013320439 is a wasteful number, since it uses less digits than its factorization.

1013320439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12121.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1013320439 is about 31832.6944979529. The cubic root of 1013320439 is about 1004.4205760459.

The spelling of 1013320439 in words is "one billion, thirteen million, three hundred twenty thousand, four hundred thirty-nine".