13898995236 has 135 divisors (see below), whose sum is σ = 41089193873. Its totient is φ = 3961238400.

The previous prime is 13898995223. The next prime is 13898995261. The reversal of 13898995236 is 63259989831.

The square root of 13898995236 is 117894.

It is a perfect power (a square), and thus also a powerful number.

13898995236 is a `hidden beast` number, since 13 + 8 + 9 + 8 + 99 + 523 + 6 = 666.

13898995236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13760697636 + 138297600 = 117306^2 + 11760^2 .

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 34660636 + ... + 34661036.

Almost surely, 2^13898995236 is an apocalyptic number.

13898995236 is the 117894-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13898995236

13898995236 is an abundant number, since it is smaller than the sum of its proper divisors (27190198637).

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

13898995236 is an frugal number, since it uses more digits than its factorization.

13898995236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840 (or 413 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 63.

The spelling of 13898995236 in words is "thirteen billion, eight hundred ninety-eight million, nine hundred ninety-five thousand, two hundred thirty-six".