1368709344 has 72 divisors (see below), whose sum is σ = 3897424440. Its totient is φ = 455632128.

The previous prime is 1368709333. The next prime is 1368709361. The reversal of 1368709344 is 4439078631.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 1368709344.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249867 + ... + 255285.

It is an arithmetic number, because the mean of its divisors is an integer number (54130895).

Almost surely, 2^1368709344 is an apocalyptic number.

It is an amenable number.

1368709344 is an abundant number, since it is smaller than the sum of its proper divisors (2528715096).

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

1368709344 is a wasteful number, since it uses less digits than its factorization.

1368709344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6312 (or 6301 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 1368709344 is about 36996.0720077145. The cubic root of 1368709344 is about 1110.2916594183.

The spelling of 1368709344 in words is "one billion, three hundred sixty-eight million, seven hundred nine thousand, three hundred forty-four".