140508359 has 2 divisors, whose sum is σ = 140508360. Its totient is φ = 140508358.

The previous prime is 140508331. The next prime is 140508367. The reversal of 140508359 is 953805041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140508359 - 2²⁰ = 139459783 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140588359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70254179 + 70254180.

It is an arithmetic number, because the mean of its divisors is an integer number (70254180).

Almost surely, 2^140508359 is an apocalyptic number.

140508359 is a deficient number, since it is larger than the sum of its proper divisors (1).

140508359 is an equidigital number, since it uses as much as digits as its factorization.

140508359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 140508359 is about 11853.6221890188. The cubic root of 140508359 is about 519.8771393665.

The spelling of 140508359 in words is "one hundred forty million, five hundred eight thousand, three hundred fifty-nine".