1340112204 has 72 divisors (see below), whose sum is σ = 3541984992. Its totient is φ = 426412800.

The previous prime is 1340112203. The next prime is 1340112211. The reversal of 1340112204 is 4022110431.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1340112203) 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 23 ways as a sum of consecutive naturals, for example, 496282 + ... + 498974.

It is an arithmetic number, because the mean of its divisors is an integer number (49194236).

Almost surely, 2^1340112204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340112204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1770992496).

1340112204 is an abundant number, since it is smaller than the sum of its proper divisors (2201872788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340112204 is a wasteful number, since it uses less digits than its factorization.

1340112204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327 (or 3322 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1340112204 is about 36607.5429932138. The cubic root of 1340112204 is about 1102.5045422245.

Adding to 1340112204 its reverse (4022110431), we get a palindrome (5362222635).

The spelling of 1340112204 in words is "one billion, three hundred forty million, one hundred twelve thousand, two hundred four".