1365442113 has 16 divisors (see below), whose sum is σ = 2094457856. Its totient is φ = 775083600.

The previous prime is 1365442051. The next prime is 1365442139. The reversal of 1365442113 is 3112445631.

It is not a de Polignac number, because 1365442113 - 2¹³ = 1365433921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1365442613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212131 + ... + 218472.

It is an arithmetic number, because the mean of its divisors is an integer number (130903616).

Almost surely, 2^1365442113 is an apocalyptic number.

It is an amenable number.

1365442113 is a deficient number, since it is larger than the sum of its proper divisors (729015743).

1365442113 is a wasteful number, since it uses less digits than its factorization.

1365442113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430764.

The product of its digits is 8640, while the sum is 30.

The square root of 1365442113 is about 36951.8891668613. The cubic root of 1365442113 is about 1109.4075005256.

Adding to 1365442113 its reverse (3112445631), we get a palindrome (4477887744).

The spelling of 1365442113 in words is "one billion, three hundred sixty-five million, four hundred forty-two thousand, one hundred thirteen".