1340370147678 has 16 divisors (see below), whose sum is σ = 2680846778880. Its totient is φ = 446772301976.

The previous prime is 1340370147673. The next prime is 1340370147703. The reversal of 1340370147678 is 8767410730431.

It is a self number, because there is not a number n which added to its sum of digits gives 1340370147678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340370147673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4272708 + ... + 4575671.

It is an arithmetic number, because the mean of its divisors is an integer number (167552923680).

Almost surely, 2^{1340370147678} is an apocalyptic number.

1340370147678 is an abundant number, since it is smaller than the sum of its proper divisors (1340476631202).

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

1340370147678 is a wasteful number, since it uses less digits than its factorization.

1340370147678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8873631.

The product of its (nonzero) digits is 2370816, while the sum is 51.

The spelling of 1340370147678 in words is "one trillion, three hundred forty billion, three hundred seventy million, one hundred forty-seven thousand, six hundred seventy-eight".