140271907 has 2 divisors, whose sum is σ = 140271908. Its totient is φ = 140271906.

The previous prime is 140271899. The next prime is 140271919. The reversal of 140271907 is 709172041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140271907 - 2³ = 140271899 is a prime.

It is not a weakly prime, because it can be changed into another prime (140271997) 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, 70135953 + 70135954.

It is an arithmetic number, because the mean of its divisors is an integer number (70135954).

Almost surely, 2^140271907 is an apocalyptic number.

140271907 is a deficient number, since it is larger than the sum of its proper divisors (1).

140271907 is an equidigital number, since it uses as much as digits as its factorization.

140271907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 140271907 is about 11843.6441604770. The cubic root of 140271907 is about 519.5853536218.

The spelling of 140271907 in words is "one hundred forty million, two hundred seventy-one thousand, nine hundred seven".