1339912371840 has 256 divisors, whose sum is σ = 4882498007040. Its totient is φ = 306178560000.

The previous prime is 1339912371829. The next prime is 1339912371851. The reversal of 1339912371840 is 481732199331.

It is an interprime number because it is at equal distance from previous prime (1339912371829) and next prime (1339912371851).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55239715 + ... + 55263965.

It is an arithmetic number, because the mean of its divisors is an integer number (19072257840).

Almost surely, 2^{1339912371840} is an apocalyptic number.

1339912371840 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 1339912371840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2441249003520).

1339912371840 is an abundant number, since it is smaller than the sum of its proper divisors (3542585635200).

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

1339912371840 is a wasteful number, since it uses less digits than its factorization.

1339912371840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28391 (or 28379 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 1339912371840 in words is "one trillion, three hundred thirty-nine billion, nine hundred twelve million, three hundred seventy-one thousand, eight hundred forty".