1366442199 has 12 divisors (see below), whose sum is σ = 1974958336. Its totient is φ = 910403712.

The previous prime is 1366442159. The next prime is 1366442249. The reversal of 1366442199 is 9912446631.

1366442199 is a `hidden beast` number, since 13 + 6 + 6 + 442 + 199 = 666.

It is not a de Polignac number, because 1366442199 - 2⁷ = 1366442071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366442159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30682 + ... + 60615.

Almost surely, 2^1366442199 is an apocalyptic number.

1366442199 is a deficient number, since it is larger than the sum of its proper divisors (608516137).

1366442199 is a wasteful number, since it uses less digits than its factorization.

1366442199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92966 (or 92963 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 1366442199 is about 36965.4189615105. The cubic root of 1366442199 is about 1109.6782875800.

The spelling of 1366442199 in words is "one billion, three hundred sixty-six million, four hundred forty-two thousand, one hundred ninety-nine".