1366230399 has 8 divisors (see below), whose sum is σ = 1828899072. Its totient is φ = 907191000.

The previous prime is 1366230391. The next prime is 1366230401. The reversal of 1366230399 is 9930326631.

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

It is not a de Polignac number, because 1366230399 - 2³ = 1366230391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1366230399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366230391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906439 + ... + 907944.

It is an arithmetic number, because the mean of its divisors is an integer number (228612384).

Almost surely, 2^1366230399 is an apocalyptic number.

1366230399 is a deficient number, since it is larger than the sum of its proper divisors (462668673).

1366230399 is a wasteful number, since it uses less digits than its factorization.

1366230399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814637.

The product of its (nonzero) digits is 157464, while the sum is 42.

The square root of 1366230399 is about 36962.5540107823. The cubic root of 1366230399 is about 1109.6209508443.

The spelling of 1366230399 in words is "one billion, three hundred sixty-six million, two hundred thirty thousand, three hundred ninety-nine".