13134526638157 has 4 divisors (see below), whose sum is σ = 13149435295836. Its totient is φ = 13119617980480.

The previous prime is 13134526638089. The next prime is 13134526638229. The reversal of 13134526638157 is 75183662543131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4789470972196 + 8345055665961 = 2188486^2 + 2888781^2 .

It is a cyclic number.

It is not a de Polignac number, because 13134526638157 - 2³¹ = 13132379154509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13134526638098 and 13134526638107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13134526638757) 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, 7454327518 + ... + 7454329279.

It is an arithmetic number, because the mean of its divisors is an integer number (3287358823959).

Almost surely, 2^{13134526638157} is an apocalyptic number.

It is an amenable number.

13134526638157 is a deficient number, since it is larger than the sum of its proper divisors (14908657679).

13134526638157 is an equidigital number, since it uses as much as digits as its factorization.

13134526638157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14908657678.

The product of its digits is 10886400, while the sum is 55.

The spelling of 13134526638157 in words is "thirteen trillion, one hundred thirty-four billion, five hundred twenty-six million, six hundred thirty-eight thousand, one hundred fifty-seven".