1340351105 has 48 divisors (see below), whose sum is σ = 1791720000. Its totient is φ = 959764608.

The previous prime is 1340351099. The next prime is 1340351113. The reversal of 1340351105 is 5011530431.

It is not a de Polignac number, because 1340351105 - 2²⁶ = 1273242241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7487906 + ... + 7488084.

It is an arithmetic number, because the mean of its divisors is an integer number (37327500).

Almost surely, 2^1340351105 is an apocalyptic number.

It is an amenable number.

1340351105 is a deficient number, since it is larger than the sum of its proper divisors (451368895).

1340351105 is a wasteful number, since it uses less digits than its factorization.

1340351105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1340351105 is about 36610.8058501858. The cubic root of 1340351105 is about 1102.5700526066.

Adding to 1340351105 its reverse (5011530431), we get a palindrome (6351881536).

The spelling of 1340351105 in words is "one billion, three hundred forty million, three hundred fifty-one thousand, one hundred five".