1366919795 has 4 divisors (see below), whose sum is σ = 1640303760. Its totient is φ = 1093535832.

The previous prime is 1366919791. The next prime is 1366919803. The reversal of 1366919795 is 5979196631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5979196631 = 2267 ⋅2637493.

It is a cyclic number.

It is not a de Polignac number, because 1366919795 - 2² = 1366919791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1366919795.

It is not an unprimeable number, because it can be changed into a prime (1366919791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136691975 + ... + 136691984.

It is an arithmetic number, because the mean of its divisors is an integer number (410075940).

Almost surely, 2^1366919795 is an apocalyptic number.

1366919795 is a deficient number, since it is larger than the sum of its proper divisors (273383965).

1366919795 is an equidigital number, since it uses as much as digits as its factorization.

1366919795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273383964.

The product of its digits is 2755620, while the sum is 56.

The square root of 1366919795 is about 36971.8784348321. The cubic root of 1366919795 is about 1109.8075566600.

The spelling of 1366919795 in words is "one billion, three hundred sixty-six million, nine hundred nineteen thousand, seven hundred ninety-five".