1366542038 has 16 divisors (see below), whose sum is σ = 2059752240. Its totient is φ = 679965216.

The previous prime is 1366542029. The next prime is 1366542071. The reversal of 1366542038 is 8302456631.

It is a junction number, because it is equal to n+sod(n) for n = 1366541992 and 1366542010.

It is a congruent number.

It is an unprimeable number.

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, 583073 + ... + 585411.

It is an arithmetic number, because the mean of its divisors is an integer number (128734515).

Almost surely, 2^1366542038 is an apocalyptic number.

1366542038 is a deficient number, since it is larger than the sum of its proper divisors (693210202).

1366542038 is a wasteful number, since it uses less digits than its factorization.

1366542038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 1366542038 is about 36966.7693746695. The cubic root of 1366542038 is about 1109.7053131096.

Adding to 1366542038 its reverse (8302456631), we get a palindrome (9668998669).

The spelling of 1366542038 in words is "one billion, three hundred sixty-six million, five hundred forty-two thousand, thirty-eight".