1340468140669 has 8 divisors (see below), whose sum is σ = 1532307809088. Its totient is φ = 1148714527200.

The previous prime is 1340468140667. The next prime is 1340468140673. The reversal of 1340468140669 is 9660418640431.

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 1340468140669 - 2¹ = 1340468140667 is a prime.

It is a super-2 number, since 2×1340468140669² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340468140667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21480352 + ... + 21542665.

It is an arithmetic number, because the mean of its divisors is an integer number (191538476136).

Almost surely, 2^{1340468140669} is an apocalyptic number.

It is an amenable number.

1340468140669 is a deficient number, since it is larger than the sum of its proper divisors (191839668419).

1340468140669 is an equidigital number, since it uses as much as digits as its factorization.

1340468140669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43027475.

The product of its (nonzero) digits is 2985984, while the sum is 52.

The spelling of 1340468140669 in words is "one trillion, three hundred forty billion, four hundred sixty-eight million, one hundred forty thousand, six hundred sixty-nine".