1340420113233 has 8 divisors (see below), whose sum is σ = 1985807575200. Its totient is φ = 893613408804.

The previous prime is 1340420113223. The next prime is 1340420113309. The reversal of 1340420113233 is 3323110240431.

It is a happy number.

1340420113233 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 420 + 1 + 1 + 3 + 233 = 666.

It is not a de Polignac number, because 1340420113233 - 2⁴ = 1340420113217 is a prime.

It is a super-3 number, since 3×1340420113233³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 49645189379 = 1340420113233 / (1 + 3 + 4 + 0 + 4 + 2 + 0 + 1 + 1 + 3 + 2 + 3 + 3).

It is a junction number, because it is equal to n+sod(n) for n = 1340420113197 and 1340420113206.

It is not an unprimeable number, because it can be changed into a prime (1340420113223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24822594663 + ... + 24822594716.

It is an arithmetic number, because the mean of its divisors is an integer number (248225946900).

Almost surely, 2^{1340420113233} is an apocalyptic number.

It is an amenable number.

1340420113233 is a deficient number, since it is larger than the sum of its proper divisors (645387461967).

1340420113233 is an equidigital number, since it uses as much as digits as its factorization.

1340420113233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49645189388 (or 49645189382 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1340420113233 its reverse (3323110240431), we get a palindrome (4663530353664).

The spelling of 1340420113233 in words is "one trillion, three hundred forty billion, four hundred twenty million, one hundred thirteen thousand, two hundred thirty-three".