13861134 has 48 divisors (see below), whose sum is σ = 35822592. Its totient is φ = 3787344.

The previous prime is 13861129. The next prime is 13861163. The reversal of 13861134 is 43116831.

13861134 is a `hidden beast` number, since 13 + 8 + 611 + 34 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13861098 and 13861107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 507 + ... + 5289.

It is an arithmetic number, because the mean of its divisors is an integer number (746304).

Almost surely, 2^13861134 is an apocalyptic number.

13861134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13861134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17911296).

13861134 is an abundant number, since it is smaller than the sum of its proper divisors (21961458).

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

13861134 is a wasteful number, since it uses less digits than its factorization.

13861134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821 (or 4818 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 13861134 is about 3723.0543912223. The cubic root of 13861134 is about 240.2147037024.

Adding to 13861134 its reverse (43116831), we get a palindrome (56977965).

The spelling of 13861134 in words is "thirteen million, eight hundred sixty-one thousand, one hundred thirty-four".