1344438000138 has 32 divisors (see below), whose sum is σ = 2726634326976. Its totient is φ = 441857109888.

The previous prime is 1344438000077. The next prime is 1344438000167. The reversal of 1344438000138 is 8310008344431.

It is a junction number, because it is equal to n+sod(n) for n = 1344438000096 and 1344438000105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 776145 + ... + 1814187.

It is an arithmetic number, because the mean of its divisors is an integer number (85207322718).

Almost surely, 2^{1344438000138} is an apocalyptic number.

1344438000138 is an abundant number, since it is smaller than the sum of its proper divisors (1382196326838).

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

1344438000138 is a wasteful number, since it uses less digits than its factorization.

1344438000138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041078.

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 1344438000138 in words is "one trillion, three hundred forty-four billion, four hundred thirty-eight million, one hundred thirty-eight", and thus it is an aban number.