1439311832140 has 216 divisors, whose sum is σ = 3930132431232. Its totient is φ = 440822753280.

The previous prime is 1439311832053. The next prime is 1439311832143. The reversal of 1439311832140 is 412381139341.

It is a junction number, because it is equal to n+sod(n) for n = 1439311832093 and 1439311832102.

It is not an unprimeable number, because it can be changed into a prime (1439311832143) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4994052 + ... + 5274388.

It is an arithmetic number, because the mean of its divisors is an integer number (18195057552).

Almost surely, 2^{1439311832140} is an apocalyptic number.

1439311832140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1439311832140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1965066215616).

1439311832140 is an abundant number, since it is smaller than the sum of its proper divisors (2490820599092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1439311832140 is a wasteful number, since it uses less digits than its factorization.

1439311832140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280417 (or 280395 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 1439311832140 in words is "one trillion, four hundred thirty-nine billion, three hundred eleven million, eight hundred thirty-two thousand, one hundred forty".