5128135322 has 16 divisors (see below), whose sum is σ = 7782975720. Its totient is φ = 2533842432.

The previous prime is 5128135307. The next prime is 5128135333. The reversal of 5128135322 is 2235318215.

It is a Cunningham number, because it is equal to 71611²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 2646999601 + 2481135721 = 51449^2 + 49811^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358418 + ... + 372450.

Almost surely, 2^5128135322 is an apocalyptic number.

5128135322 is a deficient number, since it is larger than the sum of its proper divisors (2654840398).

5128135322 is a wasteful number, since it uses less digits than its factorization.

5128135322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16177.

The product of its digits is 14400, while the sum is 32.

The square root of 5128135322 is about 71611.0000069822. Note that the first 5 decimals coincide. The cubic root of 5128135322 is about 1724.4601345801.

The spelling of 5128135322 in words is "five billion, one hundred twenty-eight million, one hundred thirty-five thousand, three hundred twenty-two".