134826779273 has 4 divisors (see below), whose sum is σ = 135571678788. Its totient is φ = 134081879760.

The previous prime is 134826779267. The next prime is 134826779293. The reversal of 134826779273 is 372977628431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3385726969 + 131441052304 = 58187^2 + 362548^2 .

It is a cyclic number.

It is not a de Polignac number, because 134826779273 - 2⁴ = 134826779257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134826779293) 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, 372449486 + ... + 372449847.

It is an arithmetic number, because the mean of its divisors is an integer number (33892919697).

Almost surely, 2^134826779273 is an apocalyptic number.

It is an amenable number.

134826779273 is a deficient number, since it is larger than the sum of its proper divisors (744899515).

134826779273 is an equidigital number, since it uses as much as digits as its factorization.

134826779273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744899514.

The product of its digits is 21337344, while the sum is 59.

The spelling of 134826779273 in words is "one hundred thirty-four billion, eight hundred twenty-six million, seven hundred seventy-nine thousand, two hundred seventy-three".