4138134338 has 18 divisors (see below), whose sum is σ = 6723329049. Its totient is φ = 1909362312.

The previous prime is 4138134307. The next prime is 4138134359. The reversal of 4138134338 is 8334318314.

It can be written as a sum of positive squares in 2 ways, for example, as 3538227289 + 599907049 = 59483^2 + 24493^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=45487.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1180913 + ... + 1184411.

Almost surely, 2^4138134338 is an apocalyptic number.

4138134338 is a deficient number, since it is larger than the sum of its proper divisors (2585194711).

4138134338 is an frugal number, since it uses more digits than its factorization.

4138134338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7026 (or 3514 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 4138134338 is about 64328.3323116650. The cubic root of 4138134338 is about 1605.4675369200.

The spelling of 4138134338 in words is "four billion, one hundred thirty-eight million, one hundred thirty-four thousand, three hundred thirty-eight".