134797777613 has 4 divisors (see below), whose sum is σ = 137007577308. Its totient is φ = 132587977920.

The previous prime is 134797777601. The next prime is 134797777637. The reversal of 134797777613 is 316777797431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 316777797431 = 227627 ⋅1391653.

It can be written as a sum of positive squares in 2 ways, for example, as 24316659844 + 110481117769 = 155938^2 + 332387^2 .

It is a cyclic number.

It is not a de Polignac number, because 134797777613 - 2³⁶ = 66078300877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134797777693) 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, 1104899756 + ... + 1104899877.

It is an arithmetic number, because the mean of its divisors is an integer number (34251894327).

Almost surely, 2^134797777613 is an apocalyptic number.

It is an amenable number.

134797777613 is a deficient number, since it is larger than the sum of its proper divisors (2209799695).

134797777613 is an equidigital number, since it uses as much as digits as its factorization.

134797777613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209799694.

The product of its digits is 32672808, while the sum is 62.

The spelling of 134797777613 in words is "one hundred thirty-four billion, seven hundred ninety-seven million, seven hundred seventy-seven thousand, six hundred thirteen".