140230052549 has 2 divisors, whose sum is σ = 140230052550. Its totient is φ = 140230052548.

The previous prime is 140230052507. The next prime is 140230052671. The reversal of 140230052549 is 945250032041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81014236900 + 59215815649 = 284630^2 + 243343^2 .

It is a cyclic number.

It is not a de Polignac number, because 140230052549 - 2²⁴ = 140213275333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140230042549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70115026274 + 70115026275.

It is an arithmetic number, because the mean of its divisors is an integer number (70115026275).

Almost surely, 2^140230052549 is an apocalyptic number.

It is an amenable number.

140230052549 is a deficient number, since it is larger than the sum of its proper divisors (1).

140230052549 is an equidigital number, since it uses as much as digits as its factorization.

140230052549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 140230052549 in words is "one hundred forty billion, two hundred thirty million, fifty-two thousand, five hundred forty-nine".