1340674700477 has 12 divisors (see below), whose sum is σ = 1563373495260. Its totient is φ = 1146340069056.

The previous prime is 1340674700467. The next prime is 1340674700483. The reversal of 1340674700477 is 7740074760431.

It can be written as a sum of positive squares in 2 ways, for example, as 909799299556 + 430875400921 = 953834^2 + 656411^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1340674700477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340674700437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33428258 + ... + 33468339.

It is an arithmetic number, because the mean of its divisors is an integer number (130281124605).

Almost surely, 2^{1340674700477} is an apocalyptic number.

It is an amenable number.

1340674700477 is a deficient number, since it is larger than the sum of its proper divisors (222698794783).

1340674700477 is an equidigital number, since it uses as much as digits as its factorization.

1340674700477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66897020 (or 66897013 counting only the distinct ones).

The product of its (nonzero) digits is 2765952, while the sum is 50.

The spelling of 1340674700477 in words is "one trillion, three hundred forty billion, six hundred seventy-four million, seven hundred thousand, four hundred seventy-seven".