1340013366828 has 36 divisors (see below), whose sum is σ = 3387459603528. Its totient is φ = 446644274880.

The previous prime is 1340013366803. The next prime is 1340013366829. The reversal of 1340013366828 is 8286633100431.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1340013366829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 506793 + ... + 1713728.

It is an arithmetic number, because the mean of its divisors is an integer number (94096100098).

Almost surely, 2^{1340013366828} is an apocalyptic number.

1340013366828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1340013366828 is an abundant number, since it is smaller than the sum of its proper divisors (2047446236700).

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

1340013366828 is a wasteful number, since it uses less digits than its factorization.

1340013366828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237294 (or 2237289 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 1340013366828 in words is "one trillion, three hundred forty billion, thirteen million, three hundred sixty-six thousand, eight hundred twenty-eight".