140723688550537 has 2 divisors, whose sum is σ = 140723688550538. Its totient is φ = 140723688550536.

The previous prime is 140723688550499. The next prime is 140723688550597. The reversal of 140723688550537 is 735055886327041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94355501432976 + 46368187117561 = 9713676^2 + 6809419^2 .

It is a cyclic number.

It is not a de Polignac number, because 140723688550537 - 2¹⁹ = 140723688026249 is a prime.

It is not a weakly prime, because it can be changed into another prime (140723688550597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70361844275268 + 70361844275269.

It is an arithmetic number, because the mean of its divisors is an integer number (70361844275269).

Almost surely, 2^{140723688550537} is an apocalyptic number.

It is an amenable number.

140723688550537 is a deficient number, since it is larger than the sum of its proper divisors (1).

140723688550537 is an equidigital number, since it uses as much as digits as its factorization.

140723688550537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344000, while the sum is 64.

The spelling of 140723688550537 in words is "one hundred forty trillion, seven hundred twenty-three billion, six hundred eighty-eight million, five hundred fifty thousand, five hundred thirty-seven".