140205007 has 2 divisors, whose sum is σ = 140205008. Its totient is φ = 140205006.

The previous prime is 140204969. The next prime is 140205029. The reversal of 140205007 is 700502041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140205007 - 2¹⁵ = 140172239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140205077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70102503 + 70102504.

It is an arithmetic number, because the mean of its divisors is an integer number (70102504).

Almost surely, 2^140205007 is an apocalyptic number.

140205007 is a deficient number, since it is larger than the sum of its proper divisors (1).

140205007 is an equidigital number, since it uses as much as digits as its factorization.

140205007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 140205007 is about 11840.8195240026. The cubic root of 140205007 is about 519.5027383915.

Adding to 140205007 its reverse (700502041), we get a palindrome (840707048).

The spelling of 140205007 in words is "one hundred forty million, two hundred five thousand, seven".