5139581907 has 4 divisors (see below), whose sum is σ = 6852775880. Its totient is φ = 3426387936.

The previous prime is 5139581873. The next prime is 5139581911. The reversal of 5139581907 is 7091859315.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5139581907 - 2¹² = 5139577811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5139581207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856596982 + ... + 856596987.

It is an arithmetic number, because the mean of its divisors is an integer number (1713193970).

Almost surely, 2^5139581907 is an apocalyptic number.

5139581907 is a deficient number, since it is larger than the sum of its proper divisors (1713193973).

5139581907 is a wasteful number, since it uses less digits than its factorization.

5139581907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713193972.

The product of its (nonzero) digits is 340200, while the sum is 48.

The square root of 5139581907 is about 71690.8774322089. The cubic root of 5139581907 is about 1725.7422452469.

The spelling of 5139581907 in words is "five billion, one hundred thirty-nine million, five hundred eighty-one thousand, nine hundred seven".