1340041140221 has 16 divisors (see below), whose sum is σ = 1567185840000. Its totient is φ = 1121827226688.

The previous prime is 1340041140203. The next prime is 1340041140227. The reversal of 1340041140221 is 1220411400431.

It is a de Polignac number, because none of the positive numbers 2^k-1340041140221 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 (1340041140227) 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, 5217035 + ... + 5467863.

It is an arithmetic number, because the mean of its divisors is an integer number (97949115000).

Almost surely, 2^{1340041140221} is an apocalyptic number.

It is an amenable number.

1340041140221 is a deficient number, since it is larger than the sum of its proper divisors (227144699779).

1340041140221 is a wasteful number, since it uses less digits than its factorization.

1340041140221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268628.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1340041140221 its reverse (1220411400431), we get a palindrome (2560452540652).

The spelling of 1340041140221 in words is "one trillion, three hundred forty billion, forty-one million, one hundred forty thousand, two hundred twenty-one".