1340420111300 has 18 divisors (see below), whose sum is σ = 2908711641738. Its totient is φ = 536168044480.

The previous prime is 1340420111293. The next prime is 1340420111333. The reversal of 1340420111300 is 31110240431.

It can be written as a sum of positive squares in 3 ways, for example, as 53924270656 + 1286495840644 = 232216^2 + 1134238^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6702100457 + ... + 6702100656.

Almost surely, 2^{1340420111300} is an apocalyptic number.

1340420111300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340420111300 is an abundant number, since it is smaller than the sum of its proper divisors (1568291530438).

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

1340420111300 is a wasteful number, since it uses less digits than its factorization.

1340420111300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13404201127 (or 13404201120 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1340420111300 its reverse (31110240431), we get a palindrome (1371530351731).

The spelling of 1340420111300 in words is "one trillion, three hundred forty billion, four hundred twenty million, one hundred eleven thousand, three hundred".