134813344747 has 4 divisors (see below), whose sum is σ = 135325943280. Its totient is φ = 134300746216.

The previous prime is 134813344723. The next prime is 134813344759. The reversal of 134813344747 is 747443318431.

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

It is a cyclic number.

It is not a de Polignac number, because 134813344747 - 2¹⁹ = 134812820459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134813344747.

It is not an unprimeable number, because it can be changed into a prime (134813344777) 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, 256298872 + ... + 256299397.

It is an arithmetic number, because the mean of its divisors is an integer number (33831485820).

Almost surely, 2^134813344747 is an apocalyptic number.

134813344747 is a deficient number, since it is larger than the sum of its proper divisors (512598533).

134813344747 is an equidigital number, since it uses as much as digits as its factorization.

134813344747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512598532.

The product of its digits is 2709504, while the sum is 49.

The spelling of 134813344747 in words is "one hundred thirty-four billion, eight hundred thirteen million, three hundred forty-four thousand, seven hundred forty-seven".