1340126462639 has 8 divisors (see below), whose sum is σ = 1345267012800. Its totient is φ = 1334988547200.

The previous prime is 1340126462629. The next prime is 1340126462711. The reversal of 1340126462639 is 9362646210431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1340126462639 - 2²⁴ = 1340109685423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1340126462593 and 1340126462602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340126462629) 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 7 ways as a sum of consecutive naturals, for example, 363587 + ... + 1677035.

It is an arithmetic number, because the mean of its divisors is an integer number (168158376600).

Almost surely, 2^{1340126462639} is an apocalyptic number.

1340126462639 is a deficient number, since it is larger than the sum of its proper divisors (5140550161).

1340126462639 is a wasteful number, since it uses less digits than its factorization.

1340126462639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317361.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 1340126462639 in words is "one trillion, three hundred forty billion, one hundred twenty-six million, four hundred sixty-two thousand, six hundred thirty-nine".