1340474374158 has 32 divisors (see below), whose sum is σ = 2870546597280. Its totient is φ = 415815797760.

The previous prime is 1340474374097. The next prime is 1340474374159. The reversal of 1340474374158 is 8514734740431.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 1340474374158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340474374159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73821853 + ... + 73840008.

It is an arithmetic number, because the mean of its divisors is an integer number (89704581165).

Almost surely, 2^{1340474374158} is an apocalyptic number.

1340474374158 is an abundant number, since it is smaller than the sum of its proper divisors (1530072223122).

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

1340474374158 is a wasteful number, since it uses less digits than its factorization.

1340474374158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147661972.

The product of its (nonzero) digits is 4515840, while the sum is 51.

The spelling of 1340474374158 in words is "one trillion, three hundred forty billion, four hundred seventy-four million, three hundred seventy-four thousand, one hundred fifty-eight".