5420146185 has 20 divisors (see below), whose sum is σ = 9716114628. Its totient is φ = 2890744416.

The previous prime is 5420146183. The next prime is 5420146217. The reversal of 5420146185 is 5816410245.

It is a happy number.

5420146185 is a `hidden beast` number, since 5 + 4 + 20 + 14 + 618 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3763086336 + 1657059849 = 61344^2 + 40707^2 .

It is not a de Polignac number, because 5420146185 - 2¹ = 5420146183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5420146183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6691134 + ... + 6691943.

Almost surely, 2^5420146185 is an apocalyptic number.

It is an amenable number.

5420146185 is a deficient number, since it is larger than the sum of its proper divisors (4295968443).

5420146185 is a wasteful number, since it uses less digits than its factorization.

5420146185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13383094 (or 13383085 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 5420146185 is about 73621.6420966009. The cubic root of 5420146185 is about 1756.5897057613.

The spelling of 5420146185 in words is "five billion, four hundred twenty million, one hundred forty-six thousand, one hundred eighty-five".