1368146784 has 48 divisors (see below), whose sum is σ = 3605757120. Its totient is φ = 454224000.

The previous prime is 1368146779. The next prime is 1368146797. The reversal of 1368146784 is 4876418631.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4294 + ... + 52485.

It is an arithmetic number, because the mean of its divisors is an integer number (75119940).

Almost surely, 2^1368146784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1368146784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1802878560).

1368146784 is an abundant number, since it is smaller than the sum of its proper divisors (2237610336).

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

1368146784 is a wasteful number, since it uses less digits than its factorization.

1368146784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57043 (or 57035 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 1368146784 is about 36988.4682570122. The cubic root of 1368146784 is about 1110.1395230834.

The spelling of 1368146784 in words is "one billion, three hundred sixty-eight million, one hundred forty-six thousand, seven hundred eighty-four".