13134640705 has 32 divisors (see below), whose sum is σ = 17247375360. Its totient is φ = 9571161600.

The previous prime is 13134640679. The next prime is 13134640709. The reversal of 13134640705 is 50704643131.

It is not a de Polignac number, because 13134640705 - 2¹⁹ = 13134116417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13134640709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216480 + ... + 270430.

It is an arithmetic number, because the mean of its divisors is an integer number (538980480).

Almost surely, 2^13134640705 is an apocalyptic number.

It is an amenable number.

13134640705 is a deficient number, since it is larger than the sum of its proper divisors (4112734655).

13134640705 is a wasteful number, since it uses less digits than its factorization.

13134640705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54081.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 13134640705 in words is "thirteen billion, one hundred thirty-four million, six hundred forty thousand, seven hundred five".