1340813783125 has 10 divisors (see below), whose sum is σ = 1675480904174. Its totient is φ = 1072651026000.

The previous prime is 1340813783117. The next prime is 1340813783161. The reversal of 1340813783125 is 5213873180431.

It can be written as a sum of positive squares in 5 ways, for example, as 132700646961 + 1208113136164 = 364281^2 + 1099142^2 .

It is not a de Polignac number, because 1340813783125 - 2³ = 1340813783117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1072650402 + ... + 1072651651.

Almost surely, 2^{1340813783125} is an apocalyptic number.

It is an amenable number.

1340813783125 is a deficient number, since it is larger than the sum of its proper divisors (334667121049).

1340813783125 is an frugal number, since it uses more digits than its factorization.

1340813783125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145302073 (or 2145302058 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 1340813783125 in words is "one trillion, three hundred forty billion, eight hundred thirteen million, seven hundred eighty-three thousand, one hundred twenty-five".