1340621466371 has 12 divisors (see below), whose sum is σ = 1473734056536. Its totient is φ = 1218615784320.

The previous prime is 1340621466361. The next prime is 1340621466377. The reversal of 1340621466371 is 1736641260431.

It is not a de Polignac number, because 1340621466371 - 2²⁶ = 1340554357507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340621466377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 543836 + ... + 1725398.

It is an arithmetic number, because the mean of its divisors is an integer number (122811171378).

Almost surely, 2^{1340621466371} is an apocalyptic number.

1340621466371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1340621466371 is a deficient number, since it is larger than the sum of its proper divisors (133112590165).

1340621466371 is a wasteful number, since it uses less digits than its factorization.

1340621466371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190962 (or 1190951 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 1340621466371 in words is "one trillion, three hundred forty billion, six hundred twenty-one million, four hundred sixty-six thousand, three hundred seventy-one".