5265258139 has 4 divisors (see below), whose sum is σ = 5574979224. Its totient is φ = 4955537056.

The previous prime is 5265258137. The next prime is 5265258149. The reversal of 5265258139 is 9318525625.

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

It is a cyclic number.

It is not a de Polignac number, because 5265258139 - 2¹ = 5265258137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5265258137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154860517 + ... + 154860550.

It is an arithmetic number, because the mean of its divisors is an integer number (1393744806).

Almost surely, 2^5265258139 is an apocalyptic number.

5265258139 is a deficient number, since it is larger than the sum of its proper divisors (309721085).

5265258139 is a wasteful number, since it uses less digits than its factorization.

5265258139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309721084.

The product of its digits is 648000, while the sum is 46.

The square root of 5265258139 is about 72562.0985019039. The cubic root of 5265258139 is about 1739.6954303527.

The spelling of 5265258139 in words is "five billion, two hundred sixty-five million, two hundred fifty-eight thousand, one hundred thirty-nine".