1366550213 has 8 divisors (see below), whose sum is σ = 1599864000. Its totient is φ = 1142759520.

The previous prime is 1366550201. The next prime is 1366550231. The reversal of 1366550213 is 3120556631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1366550213 - 2⁴ = 1366550197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1366550213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366550413) 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 7 ways as a sum of consecutive naturals, for example, 2380463 + ... + 2381036.

It is an arithmetic number, because the mean of its divisors is an integer number (199983000).

Almost surely, 2^1366550213 is an apocalyptic number.

It is an amenable number.

1366550213 is a deficient number, since it is larger than the sum of its proper divisors (233313787).

1366550213 is an equidigital number, since it uses as much as digits as its factorization.

1366550213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761547.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 1366550213 is about 36966.8799467848. The cubic root of 1366550213 is about 1109.7075259512.

The spelling of 1366550213 in words is "one billion, three hundred sixty-six million, five hundred fifty thousand, two hundred thirteen".