1366134543 has 6 divisors (see below), whose sum is σ = 1973305464. Its totient is φ = 910756356.

The previous prime is 1366134533. The next prime is 1366134593. The reversal of 1366134543 is 3454316631.

1366134543 is a `hidden beast` number, since 1 + 36 + 613 + 4 + 5 + 4 + 3 = 666.

It is not a de Polignac number, because 1366134543 - 2¹³ = 1366126351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1366134498 and 1366134507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366134503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75896355 + ... + 75896372.

It is an arithmetic number, because the mean of its divisors is an integer number (328884244).

Almost surely, 2^1366134543 is an apocalyptic number.

1366134543 is a deficient number, since it is larger than the sum of its proper divisors (607170921).

1366134543 is a wasteful number, since it uses less digits than its factorization.

1366134543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151792733 (or 151792730 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 1366134543 is about 36961.2573243931. The cubic root of 1366134543 is about 1109.5949995569.

The spelling of 1366134543 in words is "one billion, three hundred sixty-six million, one hundred thirty-four thousand, five hundred forty-three".