135454273 has 8 divisors (see below), whose sum is σ = 142770600. Its totient is φ = 128314368.

The previous prime is 135454259. The next prime is 135454279. The reversal of 135454273 is 372454531.

It can be written as a sum of positive squares in 4 ways, for example, as 18122049 + 117332224 = 4257^2 + 10832^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135454273 is a prime.

It is a super-3 number, since 3×135454273³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135454279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42528 + ... + 45601.

It is an arithmetic number, because the mean of its divisors is an integer number (17846325).

Almost surely, 2^135454273 is an apocalyptic number.

It is an amenable number.

135454273 is a deficient number, since it is larger than the sum of its proper divisors (7316327).

135454273 is an equidigital number, since it uses as much as digits as its factorization.

135454273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88211.

The product of its digits is 50400, while the sum is 34.

The square root of 135454273 is about 11638.4824182537. The cubic root of 135454273 is about 513.5675441706.

The spelling of 135454273 in words is "one hundred thirty-five million, four hundred fifty-four thousand, two hundred seventy-three".