1340242032681 has 16 divisors (see below), whose sum is σ = 1988035056000. Its totient is φ = 892373601744.

The previous prime is 1340242032601. The next prime is 1340242032713. The reversal of 1340242032681 is 1862302420431.

1340242032681 is a `hidden beast` number, since 13 + 4 + 0 + 242 + 0 + 326 + 81 = 666.

It is not a de Polignac number, because 1340242032681 - 2⁷ = 1340242032553 is a prime.

It is a super-2 number, since 2×1340242032681² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1340242032601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31119381 + ... + 31162418.

It is an arithmetic number, because the mean of its divisors is an integer number (124252191000).

Almost surely, 2^{1340242032681} is an apocalyptic number.

It is an amenable number.

1340242032681 is a deficient number, since it is larger than the sum of its proper divisors (647793023319).

1340242032681 is an equidigital number, since it uses as much as digits as its factorization.

1340242032681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62282605 (or 62282599 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 1340242032681 in words is "one trillion, three hundred forty billion, two hundred forty-two million, thirty-two thousand, six hundred eighty-one".