1382726005 has 8 divisors (see below), whose sum is σ = 1661642424. Its totient is φ = 1104600000.

The previous prime is 1382725997. The next prime is 1382726021. The reversal of 1382726005 is 5006272831.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 316768804 + 1065957201 = 17798^2 + 32649^2 .

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

It is not a de Polignac number, because 1382726005 - 2³ = 1382725997 is a prime.

It is a super-3 number, since 3×1382726005³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

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, 193746 + ... + 200755.

It is an arithmetic number, because the mean of its divisors is an integer number (207705303).

Almost surely, 2^1382726005 is an apocalyptic number.

It is an amenable number.

1382726005 is a deficient number, since it is larger than the sum of its proper divisors (278916419).

1382726005 is an equidigital number, since it uses as much as digits as its factorization.

1382726005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395207.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1382726005 is about 37185.0239343744. The cubic root of 1382726005 is about 1114.0688815390.

Adding to 1382726005 its reverse (5006272831), we get a palindrome (6388998836).

The spelling of 1382726005 in words is "one billion, three hundred eighty-two million, seven hundred twenty-six thousand, five".