13534305149 has 4 divisors (see below), whose sum is σ = 14330440764. Its totient is φ = 12738169536.

The previous prime is 13534305089. The next prime is 13534305151. The reversal of 13534305149 is 94150343531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94150343531 = 23 ⋅4093493197.

It can be written as a sum of positive squares in 2 ways, for example, as 8545708249 + 4988596900 = 92443^2 + 70630^2 .

It is a cyclic number.

It is not a de Polignac number, because 13534305149 - 2²⁸ = 13265869693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13534305199) 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, 398067782 + ... + 398067815.

It is an arithmetic number, because the mean of its divisors is an integer number (3582610191).

Almost surely, 2^13534305149 is an apocalyptic number.

It is an amenable number.

13534305149 is a deficient number, since it is larger than the sum of its proper divisors (796135615).

13534305149 is an equidigital number, since it uses as much as digits as its factorization.

13534305149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796135614.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 13534305149 in words is "thirteen billion, five hundred thirty-four million, three hundred five thousand, one hundred forty-nine".