1340481474138 has 16 divisors (see below), whose sum is σ = 2694853950336. Its totient is φ = 444511991040.

The previous prime is 1340481474097. The next prime is 1340481474253. The reversal of 1340481474138 is 8314741840431.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578790498 + ... + 578792813.

It is an arithmetic number, because the mean of its divisors is an integer number (168428371896).

Almost surely, 2^{1340481474138} is an apocalyptic number.

1340481474138 is an abundant number, since it is smaller than the sum of its proper divisors (1354372476198).

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

1340481474138 is a wasteful number, since it uses less digits than its factorization.

1340481474138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157583509.

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 1340481474138 in words is "one trillion, three hundred forty billion, four hundred eighty-one million, four hundred seventy-four thousand, one hundred thirty-eight".