1340344234140 has 24 divisors (see below), whose sum is σ = 3752963855760. Its totient is φ = 357425129088.

The previous prime is 1340344234133. The next prime is 1340344234157. The reversal of 1340344234140 is 414324430431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11169535225 + ... + 11169535344.

It is an arithmetic number, because the mean of its divisors is an integer number (156373493990).

Almost surely, 2^{1340344234140} is an apocalyptic number.

1340344234140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340344234140 is an abundant number, since it is smaller than the sum of its proper divisors (2412619621620).

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

1340344234140 is a wasteful number, since it uses less digits than its factorization.

1340344234140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22339070581 (or 22339070579 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 1340344234140 its reverse (414324430431), we get a palindrome (1754668664571).

The spelling of 1340344234140 in words is "one trillion, three hundred forty billion, three hundred forty-four million, two hundred thirty-four thousand, one hundred forty".