5309139026 has 16 divisors (see below), whose sum is σ = 8208278208. Its totient is φ = 2574272400.

The previous prime is 5309139023. The next prime is 5309139041. The reversal of 5309139026 is 6209319035.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5309139023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297800 + ... + 315123.

It is an arithmetic number, because the mean of its divisors is an integer number (513017388).

Almost surely, 2^5309139026 is an apocalyptic number.

5309139026 is a deficient number, since it is larger than the sum of its proper divisors (2899139182).

5309139026 is a wasteful number, since it uses less digits than its factorization.

5309139026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613057.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 5309139026 is about 72863.8389463525. The cubic root of 5309139026 is about 1744.5149650697.

Subtracting 5309139026 from its reverse (6209319035), we obtain a square (900180009 = 30003²).

The spelling of 5309139026 in words is "five billion, three hundred nine million, one hundred thirty-nine thousand, twenty-six".