1366076450 has 18 divisors (see below), whose sum is σ = 2541388401. Its totient is φ = 546326040.

The previous prime is 1366076443. The next prime is 1366076527. The reversal of 1366076450 is 546706631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1338754921 + 27321529 = 36589^2 + 5227^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=26135.

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 258737 + ... + 263963.

Almost surely, 2^1366076450 is an apocalyptic number.

1366076450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1366076450 is a deficient number, since it is larger than the sum of its proper divisors (1175311951).

1366076450 is an frugal number, since it uses more digits than its factorization.

1366076450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10466 (or 5234 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 1366076450 is about 36960.4714526208. The cubic root of 1366076450 is about 1109.5792713315.

The spelling of 1366076450 in words is "one billion, three hundred sixty-six million, seventy-six thousand, four hundred fifty".