1344065814 has 144 divisors (see below), whose sum is σ = 3784408992. Its totient is φ = 335674368.

The previous prime is 1344065803. The next prime is 1344065819. The reversal of 1344065814 is 4185604431.

1344065814 is a `hidden beast` number, since 1 + 34 + 40 + 6 + 581 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344065819) 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, 590182 + ... + 592454.

It is an arithmetic number, because the mean of its divisors is an integer number (26280618).

Almost surely, 2^1344065814 is an apocalyptic number.

1344065814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1344065814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1892204496).

1344065814 is an abundant number, since it is smaller than the sum of its proper divisors (2440343178).

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

1344065814 is a wasteful number, since it uses less digits than its factorization.

1344065814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339 (or 2317 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 1344065814 is about 36661.5031606725. The cubic root of 1344065814 is about 1103.5876837342.

The spelling of 1344065814 in words is "one billion, three hundred forty-four million, sixty-five thousand, eight hundred fourteen".