13137131 has 4 divisors (see below), whose sum is σ = 15013872. Its totient is φ = 11260392.

The previous prime is 13137121. The next prime is 13137167. The reversal of 13137131 is 13173131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13137131 - 2¹⁸ = 12874987 is a prime.

It is a super-2 number, since 2×13137131² = 345168421822322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13137121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 938360 + ... + 938373.

It is an arithmetic number, because the mean of its divisors is an integer number (3753468).

Almost surely, 2^13137131 is an apocalyptic number.

13137131 is a deficient number, since it is larger than the sum of its proper divisors (1876741).

13137131 is an equidigital number, since it uses as much as digits as its factorization.

13137131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876740.

The product of its digits is 189, while the sum is 20.

The square root of 13137131 is about 3624.5180369257. The cubic root of 13137131 is about 235.9573500923.

The spelling of 13137131 in words is "thirteen million, one hundred thirty-seven thousand, one hundred thirty-one".