1366534144 has 96 divisors (see below), whose sum is σ = 2900439360. Its totient is φ = 642318336.

The previous prime is 1366534133. The next prime is 1366534177. The reversal of 1366534144 is 4414356631.

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, 3155752 + ... + 3156184.

It is an arithmetic number, because the mean of its divisors is an integer number (30212910).

Almost surely, 2^1366534144 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 1366534144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1450219680).

1366534144 is an abundant number, since it is smaller than the sum of its proper divisors (1533905216).

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

1366534144 is an equidigital number, since it uses as much as digits as its factorization.

1366534144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 525 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 1366534144 is about 36966.6626029454. The cubic root of 1366534144 is about 1109.7031763220.

The spelling of 1366534144 in words is "one billion, three hundred sixty-six million, five hundred thirty-four thousand, one hundred forty-four".