13838148571 has 64 divisors (see below), whose sum is σ = 16504750080. Its totient is φ = 11492772480.

The previous prime is 13838148553. The next prime is 13838148581. The reversal of 13838148571 is 17584183831.

It is a cyclic number.

It is not a de Polignac number, because 13838148571 - 2⁵ = 13838148539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13838148521) 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 63 ways as a sum of consecutive naturals, for example, 84896536 + ... + 84896698.

It is an arithmetic number, because the mean of its divisors is an integer number (257886720).

Almost surely, 2^13838148571 is an apocalyptic number.

13838148571 is a deficient number, since it is larger than the sum of its proper divisors (2666601509).

13838148571 is a wasteful number, since it uses less digits than its factorization.

13838148571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416.

The product of its digits is 645120, while the sum is 49.

It can be divided in two parts, 13838 and 148571, that added together give a square (162409 = 403²).

The spelling of 13838148571 in words is "thirteen billion, eight hundred thirty-eight million, one hundred forty-eight thousand, five hundred seventy-one".