13751136 has 144 divisors (see below), whose sum is σ = 47174400. Its totient is φ = 3711744.

The previous prime is 13751093. The next prime is 13751137. The reversal of 13751136 is 63115731.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13751137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38125 + ... + 38483.

It is an arithmetic number, because the mean of its divisors is an integer number (327600).

Almost surely, 2^13751136 is an apocalyptic number.

13751136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13751136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23587200).

13751136 is an abundant number, since it is smaller than the sum of its proper divisors (33423264).

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

13751136 is a wasteful number, since it uses less digits than its factorization.

13751136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 390 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 13751136 is about 3708.2524185929. The cubic root of 13751136 is about 239.5775903114.

Adding to 13751136 its reverse (63115731), we get a palindrome (76866867).

The spelling of 13751136 in words is "thirteen million, seven hundred fifty-one thousand, one hundred thirty-six".