5385086138 has 4 divisors (see below), whose sum is σ = 8077629210. Its totient is φ = 2692543068.

The previous prime is 5385086081. The next prime is 5385086171. The reversal of 5385086138 is 8316805835.

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

It can be written as a sum of positive squares in only one way, i.e., 5003157289 + 381928849 = 70733^2 + 19543^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5385086092 and 5385086101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1346271533 + ... + 1346271536.

Almost surely, 2^5385086138 is an apocalyptic number.

5385086138 is a deficient number, since it is larger than the sum of its proper divisors (2692543072).

5385086138 is a wasteful number, since it uses less digits than its factorization.

5385086138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692543071.

The product of its (nonzero) digits is 691200, while the sum is 47.

The square root of 5385086138 is about 73383.1461440568. The cubic root of 5385086138 is about 1752.7940279271.

The spelling of 5385086138 in words is "five billion, three hundred eighty-five million, eighty-six thousand, one hundred thirty-eight".