2140044134453 has 2 divisors, whose sum is σ = 2140044134454. Its totient is φ = 2140044134452.

The previous prime is 2140044134399. The next prime is 2140044134489. The reversal of 2140044134453 is 3544314400412.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1262708432209 + 877335702244 = 1123703^2 + 936662^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140044134453 - 2²² = 2140039940149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140044134153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070022067226 + 1070022067227.

It is an arithmetic number, because the mean of its divisors is an integer number (1070022067227).

Almost surely, 2^{2140044134453} is an apocalyptic number.

It is an amenable number.

2140044134453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140044134453 is an equidigital number, since it uses as much as digits as its factorization.

2140044134453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 2140044134453 its reverse (3544314400412), we get a palindrome (5684358534865).

The spelling of 2140044134453 in words is "two trillion, one hundred forty billion, forty-four million, one hundred thirty-four thousand, four hundred fifty-three".