1340144055503 has 16 divisors (see below), whose sum is σ = 1470507098112. Its totient is φ = 1211223444000.

The previous prime is 1340144055499. The next prime is 1340144055583. The reversal of 1340144055503 is 3055504410431.

It is a cyclic number.

It is not a de Polignac number, because 1340144055503 - 2² = 1340144055499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340144055583) 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, 798833 + ... + 1821653.

It is an arithmetic number, because the mean of its divisors is an integer number (91906693632).

Almost surely, 2^{1340144055503} is an apocalyptic number.

1340144055503 is a deficient number, since it is larger than the sum of its proper divisors (130363042609).

1340144055503 is a wasteful number, since it uses less digits than its factorization.

1340144055503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023526.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 1340144055503 its reverse (3055504410431), we get a palindrome (4395648465934).

The spelling of 1340144055503 in words is "one trillion, three hundred forty billion, one hundred forty-four million, fifty-five thousand, five hundred three".