1340537122178 has 16 divisors (see below), whose sum is σ = 2129210108064. Its totient is φ = 630804928320.

The previous prime is 1340537122151. The next prime is 1340537122187. The reversal of 1340537122178 is 8712217350431.

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, 519068 + ... + 1717703.

It is an arithmetic number, because the mean of its divisors is an integer number (133075631754).

Almost surely, 2^{1340537122178} is an apocalyptic number.

1340537122178 is a deficient number, since it is larger than the sum of its proper divisors (788672985886).

1340537122178 is a wasteful number, since it uses less digits than its factorization.

1340537122178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254417.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 1340537122178 in words is "one trillion, three hundred forty billion, five hundred thirty-seven million, one hundred twenty-two thousand, one hundred seventy-eight".