1340900016685 has 16 divisors (see below), whose sum is σ = 1618054047792. Its totient is φ = 1066737945600.

The previous prime is 1340900016671. The next prime is 1340900016751. The reversal of 1340900016685 is 5866100090431.

It can be written as a sum of positive squares in 8 ways, for example, as 236286404649 + 1104613612036 = 486093^2 + 1051006^2 .

It is not a de Polignac number, because 1340900016685 - 2¹¹ = 1340900014637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34172197 + ... + 34211413.

It is an arithmetic number, because the mean of its divisors is an integer number (101128377987).

Almost surely, 2^{1340900016685} is an apocalyptic number.

It is an amenable number.

1340900016685 is a deficient number, since it is larger than the sum of its proper divisors (277154031107).

1340900016685 is a wasteful number, since it uses less digits than its factorization.

1340900016685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77184.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 1340900016685 in words is "one trillion, three hundred forty billion, nine hundred million, sixteen thousand, six hundred eighty-five".