140258317 has 2 divisors, whose sum is σ = 140258318. Its totient is φ = 140258316.

The previous prime is 140258273. The next prime is 140258333. The reversal of 140258317 is 713852041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97891236 + 42367081 = 9894^2 + 6509^2 .

It is a cyclic number.

It is not a de Polignac number, because 140258317 - 2⁷ = 140258189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140258357) 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, 70129158 + 70129159.

It is an arithmetic number, because the mean of its divisors is an integer number (70129159).

Almost surely, 2^140258317 is an apocalyptic number.

It is an amenable number.

140258317 is a deficient number, since it is larger than the sum of its proper divisors (1).

140258317 is an equidigital number, since it uses as much as digits as its factorization.

140258317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 140258317 is about 11843.0704211366. The cubic root of 140258317 is about 519.5685733717.

The spelling of 140258317 in words is "one hundred forty million, two hundred fifty-eight thousand, three hundred seventeen".