1439205834013 has 16 divisors (see below), whose sum is σ = 1458200128176. Its totient is φ = 1420309094400.

The previous prime is 1439205834007. The next prime is 1439205834029. The reversal of 1439205834013 is 3104385029341.

It can be written as a sum of positive squares in 8 ways, for example, as 137135421124 + 1302070412889 = 370318^2 + 1141083^2 .

It is a cyclic number.

It is not a de Polignac number, because 1439205834013 - 2¹³ = 1439205825821 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 (1439205834613) 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 15 ways as a sum of consecutive naturals, for example, 70702045 + ... + 70722397.

It is an arithmetic number, because the mean of its divisors is an integer number (91137508011).

Almost surely, 2^{1439205834013} is an apocalyptic number.

It is an amenable number.

1439205834013 is a deficient number, since it is larger than the sum of its proper divisors (18994294163).

1439205834013 is a wasteful number, since it uses less digits than its factorization.

1439205834013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22704.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 1439205834013 in words is "one trillion, four hundred thirty-nine billion, two hundred five million, eight hundred thirty-four thousand, thirteen".