5139499087 has 2 divisors, whose sum is σ = 5139499088. Its totient is φ = 5139499086.

The previous prime is 5139499009. The next prime is 5139499111. The reversal of 5139499087 is 7809949315.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5139499087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5139499987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2569749543 + 2569749544.

It is an arithmetic number, because the mean of its divisors is an integer number (2569749544).

Almost surely, 2^5139499087 is an apocalyptic number.

5139499087 is a deficient number, since it is larger than the sum of its proper divisors (1).

5139499087 is an equidigital number, since it uses as much as digits as its factorization.

5139499087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The square root of 5139499087 is about 71690.2998110623. The cubic root of 5139499087 is about 1725.7329755733.

The spelling of 5139499087 in words is "five billion, one hundred thirty-nine million, four hundred ninety-nine thousand, eighty-seven".