135754443273 has 4 divisors (see below), whose sum is σ = 181005924368. Its totient is φ = 90502962180.

The previous prime is 135754443241. The next prime is 135754443287. The reversal of 135754443273 is 372344457531.

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 not a de Polignac number, because 135754443273 - 2⁵ = 135754443241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135754443233) 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, 22625740543 + ... + 22625740548.

It is an arithmetic number, because the mean of its divisors is an integer number (45251481092).

Almost surely, 2^135754443273 is an apocalyptic number.

It is an amenable number.

135754443273 is a deficient number, since it is larger than the sum of its proper divisors (45251481095).

135754443273 is an equidigital number, since it uses as much as digits as its factorization.

135754443273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45251481094.

The product of its digits is 4233600, while the sum is 48.

The spelling of 135754443273 in words is "one hundred thirty-five billion, seven hundred fifty-four million, four hundred forty-three thousand, two hundred seventy-three".