1340305035525 has 18 divisors (see below), whose sum is σ = 2400635241810. Its totient is φ = 714829352160.

The previous prime is 1340305035467. The next prime is 1340305035527. The reversal of 1340305035525 is 5255305030431.

1340305035525 is a `hidden beast` number, since 1 + 340 + 305 + 0 + 3 + 5 + 5 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 77422401 + 1340227613124 = 8799^2 + 1157682^2 .

It is not a de Polignac number, because 1340305035525 - 2²² = 1340300841221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1340305035525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340305035527) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2978455410 + ... + 2978455859.

It is an arithmetic number, because the mean of its divisors is an integer number (133368624545).

Almost surely, 2^{1340305035525} is an apocalyptic number.

1340305035525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1340305035525 is a deficient number, since it is larger than the sum of its proper divisors (1060330206285).

1340305035525 is a wasteful number, since it uses less digits than its factorization.

1340305035525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5956911285 (or 5956911277 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 1340305035525 in words is "one trillion, three hundred forty billion, three hundred five million, thirty-five thousand, five hundred twenty-five".