1340446113 has 12 divisors (see below), whose sum is σ = 1936689300. Its totient is φ = 893404896.

The previous prime is 1340446111. The next prime is 1340446171. The reversal of 1340446113 is 3116440431.

1340446113 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 44 + 611 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1336048704 + 4397409 = 36552^2 + 2097^2 .

It is not a de Polignac number, because 1340446113 - 2¹ = 1340446111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1340446111) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 23863 + ... + 57011.

It is an arithmetic number, because the mean of its divisors is an integer number (161390775).

Almost surely, 2^1340446113 is an apocalyptic number.

It is an amenable number.

1340446113 is a deficient number, since it is larger than the sum of its proper divisors (596243187).

1340446113 is a wasteful number, since it uses less digits than its factorization.

1340446113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37648 (or 37645 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1340446113 is about 36612.1033676024. The cubic root of 1340446113 is about 1102.5961031194.

Adding to 1340446113 its reverse (3116440431), we get a palindrome (4456886544).

The spelling of 1340446113 in words is "one billion, three hundred forty million, four hundred forty-six thousand, one hundred thirteen".