16140479 has 2 divisors, whose sum is σ = 16140480. Its totient is φ = 16140478.

The previous prime is 16140469. The next prime is 16140521. The reversal of 16140479 is 97404161.

It is a weak prime.

It is an emirp because it is prime and its reverse (97404161) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16140479 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16140419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8070239 + 8070240.

It is an arithmetic number, because the mean of its divisors is an integer number (8070240).

Almost surely, 2^16140479 is an apocalyptic number.

16140479 is a deficient number, since it is larger than the sum of its proper divisors (1).

16140479 is an equidigital number, since it uses as much as digits as its factorization.

16140479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 16140479 is about 4017.5214996313. The cubic root of 16140479 is about 252.7195306744.

The spelling of 16140479 in words is "sixteen million, one hundred forty thousand, four hundred seventy-nine".