16140587 has 2 divisors, whose sum is σ = 16140588. Its totient is φ = 16140586.

The previous prime is 16140577. The next prime is 16140601. The reversal of 16140587 is 78504161.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16140587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16140577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8070293 + 8070294.

It is an arithmetic number, because the mean of its divisors is an integer number (8070294).

Almost surely, 2^16140587 is an apocalyptic number.

16140587 is a deficient number, since it is larger than the sum of its proper divisors (1).

16140587 is an equidigital number, since it uses as much as digits as its factorization.

16140587 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 32.

The square root of 16140587 is about 4017.5349407317. The cubic root of 16140587 is about 252.7200943431.

The spelling of 16140587 in words is "sixteen million, one hundred forty thousand, five hundred eighty-seven".