13800619136 has 16 divisors (see below), whose sum is σ = 27493421190. Its totient is φ = 6900309504.

The previous prime is 13800619117. The next prime is 13800619139. The reversal of 13800619136 is 63191600831.

It can be written as a sum of positive squares in only one way, i.e., 9851753536 + 3948865600 = 99256^2 + 62840^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 13800619136.

It is not an unprimeable number, because it can be changed into a prime (13800619139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53908541 + ... + 53908796.

Almost surely, 2^13800619136 is an apocalyptic number.

13800619136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13800619136 is a deficient number, since it is larger than the sum of its proper divisors (13692802054).

13800619136 is an equidigital number, since it uses as much as digits as its factorization.

13800619136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107817351 (or 107817339 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 13800619136 in words is "thirteen billion, eight hundred million, six hundred nineteen thousand, one hundred thirty-six".