13266058138 has 8 divisors (see below), whose sum is σ = 19899810900. Its totient is φ = 6632787840.

The previous prime is 13266058121. The next prime is 13266058139. The reversal of 13266058138 is 83185066231.

It can be written as a sum of positive squares in 2 ways, for example, as 13245017569 + 21040569 = 115087^2 + 4587^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 13266058094 and 13266058103.

It is not an unprimeable number, because it can be changed into a prime (13266058139) 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, 41493 + ... + 168088.

Almost surely, 2^13266058138 is an apocalyptic number.

13266058138 is a deficient number, since it is larger than the sum of its proper divisors (6633752762).

13266058138 is a wasteful number, since it uses less digits than its factorization.

13266058138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241232.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 13266058138 in words is "thirteen billion, two hundred sixty-six million, fifty-eight thousand, one hundred thirty-eight".