1340112112 has 20 divisors (see below), whose sum is σ = 2709357840. Its totient is φ = 640923008.

The previous prime is 1340112083. The next prime is 1340112131. The reversal of 1340112112 is 2112110431.

It is a Harshad number since it is a multiple of its sum of digits (16).

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 3 ways as a sum of consecutive naturals, for example, 1820437 + ... + 1821172.

It is an arithmetic number, because the mean of its divisors is an integer number (135467892).

Almost surely, 2^1340112112 is an apocalyptic number.

It is an amenable number.

1340112112 is an abundant number, since it is smaller than the sum of its proper divisors (1369245728).

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

1340112112 is a wasteful number, since it uses less digits than its factorization.

1340112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641640 (or 3641634 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1340112112 is about 36607.5417366422. The cubic root of 1340112112 is about 1102.5045169952.

Adding to 1340112112 its reverse (2112110431), we get a palindrome (3452222543).

The spelling of 1340112112 in words is "one billion, three hundred forty million, one hundred twelve thousand, one hundred twelve".