1340113312 has 12 divisors (see below), whose sum is σ = 2638348146. Its totient is φ = 670056640.

The previous prime is 1340113309. The next prime is 1340113319. The reversal of 1340113312 is 2133110431.

It can be written as a sum of positive squares in only one way, i.e., 1292833936 + 47279376 = 35956^2 + 6876^2 .

It is a super-3 number, since 3×1340113312³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1340113312.

It is not an unprimeable number, because it can be changed into a prime (1340113319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20939239 + ... + 20939302.

Almost surely, 2^1340113312 is an apocalyptic number.

It is an amenable number.

1340113312 is a deficient number, since it is larger than the sum of its proper divisors (1298234834).

1340113312 is an equidigital number, since it uses as much as digits as its factorization.

1340113312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41878551 (or 41878543 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1340113312 is about 36607.5581267038. The cubic root of 1340113312 is about 1102.5048460733.

Adding to 1340113312 its reverse (2133110431), we get a palindrome (3473223743).

The spelling of 1340113312 in words is "one billion, three hundred forty million, one hundred thirteen thousand, three hundred twelve".