1340736645892 has 24 divisors (see below), whose sum is σ = 2715415996160. Its totient is φ = 567327983040.

The previous prime is 1340736645827. The next prime is 1340736645917. The reversal of 1340736645892 is 2985466370431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303057609 + ... + 303062032.

It is a 1-persistent number, because it is pandigital, but 2⋅1340736645892 = 2681473291784 is not.

Almost surely, 2^{1340736645892} is an apocalyptic number.

It is an amenable number.

1340736645892 is an abundant number, since it is smaller than the sum of its proper divisors (1374679350268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340736645892 is a wasteful number, since it uses less digits than its factorization.

1340736645892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606119731 (or 606119729 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 58.

The spelling of 1340736645892 in words is "one trillion, three hundred forty billion, seven hundred thirty-six million, six hundred forty-five thousand, eight hundred ninety-two".