134747020799 has 4 divisors (see below), whose sum is σ = 135206908536. Its totient is φ = 134287133064.

The previous prime is 134747020787. The next prime is 134747020843. The reversal of 134747020799 is 997020747431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 997020747431 = 377843 ⋅2638717.

It is a cyclic number.

It is not a de Polignac number, because 134747020799 - 2¹⁶ = 134746955263 is a prime.

It is a super-3 number, since 3×134747020799³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 134747020799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134747020099) 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, 229943429 + ... + 229944014.

It is an arithmetic number, because the mean of its divisors is an integer number (33801727134).

Almost surely, 2^134747020799 is an apocalyptic number.

134747020799 is a deficient number, since it is larger than the sum of its proper divisors (459887737).

134747020799 is an equidigital number, since it uses as much as digits as its factorization.

134747020799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459887736.

The product of its (nonzero) digits is 2667168, while the sum is 53.

The spelling of 134747020799 in words is "one hundred thirty-four billion, seven hundred forty-seven million, twenty thousand, seven hundred ninety-nine".