140001907 has 2 divisors, whose sum is σ = 140001908. Its totient is φ = 140001906.

The previous prime is 140001887. The next prime is 140001913. The reversal of 140001907 is 709100041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140001907 - 2¹⁹ = 139477619 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140001947) 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, 70000953 + 70000954.

It is an arithmetic number, because the mean of its divisors is an integer number (70000954).

Almost surely, 2^140001907 is an apocalyptic number.

140001907 is a deficient number, since it is larger than the sum of its proper divisors (1).

140001907 is an equidigital number, since it uses as much as digits as its factorization.

140001907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 140001907 is about 11832.2401513830. The cubic root of 140001907 is about 519.2517678140.

Adding to 140001907 its reverse (709100041), we get a palindrome (849101948).

The spelling of 140001907 in words is "one hundred forty million, one thousand, nine hundred seven".