140542144553 has 2 divisors, whose sum is σ = 140542144554. Its totient is φ = 140542144552.

The previous prime is 140542144549. The next prime is 140542144559. The reversal of 140542144553 is 355441245041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138256061584 + 2286082969 = 371828^2 + 47813^2 .

It is an emirp because it is prime and its reverse (355441245041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140542144553 - 2² = 140542144549 is a prime.

It is not a weakly prime, because it can be changed into another prime (140542144559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70271072276 + 70271072277.

It is an arithmetic number, because the mean of its divisors is an integer number (70271072277).

Almost surely, 2^140542144553 is an apocalyptic number.

It is an amenable number.

140542144553 is a deficient number, since it is larger than the sum of its proper divisors (1).

140542144553 is an equidigital number, since it uses as much as digits as its factorization.

140542144553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 140542144553 its reverse (355441245041), we get a palindrome (495983389594).

The spelling of 140542144553 in words is "one hundred forty billion, five hundred forty-two million, one hundred forty-four thousand, five hundred fifty-three".