5139535400 has 24 divisors (see below), whose sum is σ = 11949420270. Its totient is φ = 2055814080.

The previous prime is 5139535391. The next prime is 5139535463. The reversal of 5139535400 is 45359315.

It can be written as a sum of positive squares in 3 ways, for example, as 5020856164 + 118679236 = 70858^2 + 10894^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12848639 + ... + 12849038.

Almost surely, 2^5139535400 is an apocalyptic number.

5139535400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5139535400 is an abundant number, since it is smaller than the sum of its proper divisors (6809884870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5139535400 is a wasteful number, since it uses less digits than its factorization.

5139535400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25697693 (or 25697684 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 35.

The square root of 5139535400 is about 71690.5530736094. The cubic root of 5139535400 is about 1725.7370399379.

The spelling of 5139535400 in words is "five billion, one hundred thirty-nine million, five hundred thirty-five thousand, four hundred".