3853365138 has 96 divisors (see below), whose sum is σ = 9704822400. Its totient is φ = 1082274048.

The previous prime is 3853365137. The next prime is 3853365143. The reversal of 3853365138 is 8315633583.

3853365138 is a `hidden beast` number, since 38 + 533 + 6 + 51 + 38 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3853365093 and 3853365102.

It is not an unprimeable number, because it can be changed into a prime (3853365137) 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 47 ways as a sum of consecutive naturals, for example, 2394078 + ... + 2395686.

It is an arithmetic number, because the mean of its divisors is an integer number (101091900).

Almost surely, 2^3853365138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3853365138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4852411200).

3853365138 is an abundant number, since it is smaller than the sum of its proper divisors (5851457262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3853365138 is a wasteful number, since it uses less digits than its factorization.

3853365138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936 (or 1933 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 3853365138 is about 62075.4793618221. The cubic root of 3853365138 is about 1567.7617148076.

The spelling of 3853365138 in words is "three billion, eight hundred fifty-three million, three hundred sixty-five thousand, one hundred thirty-eight".