1340000346777 has 4 divisors (see below), whose sum is σ = 1786667129040. Its totient is φ = 893333564516.

The previous prime is 1340000346733. The next prime is 1340000346781. The reversal of 1340000346777 is 7776430000431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1340000346777 - 2¹⁴ = 1340000330393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1340000346577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223333391127 + ... + 223333391132.

It is an arithmetic number, because the mean of its divisors is an integer number (446666782260).

Almost surely, 2^{1340000346777} is an apocalyptic number.

It is an amenable number.

1340000346777 is a deficient number, since it is larger than the sum of its proper divisors (446666782263).

1340000346777 is an equidigital number, since it uses as much as digits as its factorization.

1340000346777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446666782262.

The product of its (nonzero) digits is 296352, while the sum is 42.

The spelling of 1340000346777 in words is "one trillion, three hundred forty billion, three hundred forty-six thousand, seven hundred seventy-seven".