135340303273 has 4 divisors (see below), whose sum is σ = 154674632320. Its totient is φ = 116005974228.

The previous prime is 135340303271. The next prime is 135340303279. The reversal of 135340303273 is 372303043531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135340303273 - 2¹ = 135340303271 is a prime.

It is a super-3 number, since 3×135340303273³ (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 not an unprimeable number, because it can be changed into a prime (135340303271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9667164513 + ... + 9667164526.

It is an arithmetic number, because the mean of its divisors is an integer number (38668658080).

Almost surely, 2^135340303273 is an apocalyptic number.

It is an amenable number.

135340303273 is a deficient number, since it is larger than the sum of its proper divisors (19334329047).

135340303273 is an equidigital number, since it uses as much as digits as its factorization.

135340303273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19334329046.

The product of its (nonzero) digits is 68040, while the sum is 34.

The spelling of 135340303273 in words is "one hundred thirty-five billion, three hundred forty million, three hundred three thousand, two hundred seventy-three".