1340378750185 has 4 divisors (see below), whose sum is σ = 1608454500228. Its totient is φ = 1072303000144.

The previous prime is 1340378750167. The next prime is 1340378750203. The reversal of 1340378750185 is 5810578730431.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1340378750167) and next prime (1340378750203).

It can be written as a sum of positive squares in 2 ways, for example, as 819988203024 + 520390547161 = 905532^2 + 721381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340378750185 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 134037875014 + ... + 134037875023.

It is an arithmetic number, because the mean of its divisors is an integer number (402113625057).

Almost surely, 2^{1340378750185} is an apocalyptic number.

It is an amenable number.

1340378750185 is a deficient number, since it is larger than the sum of its proper divisors (268075750043).

1340378750185 is an equidigital number, since it uses as much as digits as its factorization.

1340378750185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268075750042.

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 1340378750185 in words is "one trillion, three hundred forty billion, three hundred seventy-eight million, seven hundred fifty thousand, one hundred eighty-five".