1382118205 has 8 divisors (see below), whose sum is σ = 1786122072. Its totient is φ = 1020641088.

The previous prime is 1382118203. The next prime is 1382118209. The reversal of 1382118205 is 5028112831.

It can be written as a sum of positive squares in 4 ways, for example, as 4372281 + 1377745924 = 2091^2 + 37118^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1382118205 - 2¹ = 1382118203 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 (1382118203) 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, 10631614 + ... + 10631743.

It is an arithmetic number, because the mean of its divisors is an integer number (223265259).

Almost surely, 2^1382118205 is an apocalyptic number.

It is an amenable number.

1382118205 is a deficient number, since it is larger than the sum of its proper divisors (404003867).

1382118205 is a wasteful number, since it uses less digits than its factorization.

1382118205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21263375.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 1382118205 is about 37176.8503910700. The cubic root of 1382118205 is about 1113.9056218373.

The spelling of 1382118205 in words is "one billion, three hundred eighty-two million, one hundred eighteen thousand, two hundred five".