140605573 has 2 divisors, whose sum is σ = 140605574. Its totient is φ = 140605572.

The previous prime is 140605559. The next prime is 140605579. The reversal of 140605573 is 375506041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117353889 + 23251684 = 10833^2 + 4822^2 .

It is a cyclic number.

It is not a de Polignac number, because 140605573 - 2¹³ = 140597381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140605579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70302786 + 70302787.

It is an arithmetic number, because the mean of its divisors is an integer number (70302787).

Almost surely, 2^140605573 is an apocalyptic number.

It is an amenable number.

140605573 is a deficient number, since it is larger than the sum of its proper divisors (1).

140605573 is an equidigital number, since it uses as much as digits as its factorization.

140605573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 140605573 is about 11857.7220830984. The cubic root of 140605573 is about 519.9970081189.

The spelling of 140605573 in words is "one hundred forty million, six hundred five thousand, five hundred seventy-three".