140605559 has 2 divisors, whose sum is σ = 140605560. Its totient is φ = 140605558.

The previous prime is 140605459. The next prime is 140605573. The reversal of 140605559 is 955506041.

140605559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140605559 - 2⁸ = 140605303 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 polite number, since it can be written as a sum of consecutive naturals, namely, 70302779 + 70302780.

It is an arithmetic number, because the mean of its divisors is an integer number (70302780).

Almost surely, 2^140605559 is an apocalyptic number.

140605559 is a deficient number, since it is larger than the sum of its proper divisors (1).

140605559 is an equidigital number, since it uses as much as digits as its factorization.

140605559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 140605559 is about 11857.7214927658. The cubic root of 140605559 is about 519.9969908603.

The spelling of 140605559 in words is "one hundred forty million, six hundred five thousand, five hundred fifty-nine".