13134936949 has 4 divisors (see below), whose sum is σ = 13826249440. Its totient is φ = 12443624460.

The previous prime is 13134936883. The next prime is 13134936953. The reversal of 13134936949 is 94963943131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94963943131 = 97 ⋅979009723.

It is a cyclic number.

It is not a de Polignac number, because 13134936949 - 2²⁵ = 13101382517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13134936896 and 13134936905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13134936349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345656217 + ... + 345656254.

It is an arithmetic number, because the mean of its divisors is an integer number (3456562360).

Almost surely, 2^13134936949 is an apocalyptic number.

13134936949 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13134936949 is a deficient number, since it is larger than the sum of its proper divisors (691312491).

13134936949 is an equidigital number, since it uses as much as digits as its factorization.

13134936949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691312490.

The product of its digits is 1889568, while the sum is 52.

The spelling of 13134936949 in words is "thirteen billion, one hundred thirty-four million, nine hundred thirty-six thousand, nine hundred forty-nine".