13641131 has 8 divisors (see below), whose sum is σ = 15616224. Its totient is φ = 11672640.

The previous prime is 13641127. The next prime is 13641137. The reversal of 13641131 is 13114631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13641131 - 2² = 13641127 is a prime.

It is a super-2 number, since 2×13641131² = 372160909918322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13641137) 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 7 ways as a sum of consecutive naturals, for example, 4151 + ... + 6671.

It is an arithmetic number, because the mean of its divisors is an integer number (1952028).

Almost surely, 2^13641131 is an apocalyptic number.

13641131 is a deficient number, since it is larger than the sum of its proper divisors (1975093).

13641131 is an equidigital number, since it uses as much as digits as its factorization.

13641131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3301.

The product of its digits is 216, while the sum is 20.

The square root of 13641131 is about 3693.3901770596. The cubic root of 13641131 is about 238.9370293303.

Adding to 13641131 its reverse (13114631), we get a palindrome (26755762).

The spelling of 13641131 in words is "thirteen million, six hundred forty-one thousand, one hundred thirty-one".