4138155346 has 16 divisors (see below), whose sum is σ = 6688816344. Its totient is φ = 1908745344.

The previous prime is 4138155341. The next prime is 4138155349. The reversal of 4138155346 is 6435518314.

It can be written as a sum of positive squares in 4 ways, for example, as 2231523121 + 1906632225 = 47239^2 + 43665^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4138155299 and 4138155308.

It is not an unprimeable number, because it can be changed into a prime (4138155341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4945 + ... + 91108.

Almost surely, 2^4138155346 is an apocalyptic number.

4138155346 is a deficient number, since it is larger than the sum of its proper divisors (2550660998).

4138155346 is a wasteful number, since it uses less digits than its factorization.

4138155346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97725.

The product of its digits is 172800, while the sum is 40.

The square root of 4138155346 is about 64328.4955987625. The cubic root of 4138155346 is about 1605.4702537325.

The spelling of 4138155346 in words is "four billion, one hundred thirty-eight million, one hundred fifty-five thousand, three hundred forty-six".