16140307 has 2 divisors, whose sum is σ = 16140308. Its totient is φ = 16140306.

The previous prime is 16140287. The next prime is 16140337. The reversal of 16140307 is 70304161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16140307 - 2¹⁹ = 15616019 is a prime.

It is a Chen prime.

It is the 4018-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (16140337) by changing a digit.

It is a nontrivial repunit in base 4017.

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, 8070153 + 8070154.

It is an arithmetic number, because the mean of its divisors is an integer number (8070154).

Almost surely, 2^16140307 is an apocalyptic number.

16140307 is a deficient number, since it is larger than the sum of its proper divisors (1).

16140307 is an equidigital number, since it uses as much as digits as its factorization.

16140307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 16140307 is about 4017.5000933416. The cubic root of 16140307 is about 252.7186329746.

Adding to 16140307 its reverse (70304161), we get a palindrome (86444468).

The spelling of 16140307 in words is "sixteen million, one hundred forty thousand, three hundred seven".