135454559 has 4 divisors (see below), whose sum is σ = 136363800. Its totient is φ = 134545320.

The previous prime is 135454549. The next prime is 135454597. The reversal of 135454559 is 955454531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 955454531 = 197 ⋅4850023.

It is a cyclic number.

It is not a de Polignac number, because 135454559 - 2²⁰ = 134405983 is a prime.

It is a super-3 number, since 3×135454559³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135454519) 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, 454397 + ... + 454694.

It is an arithmetic number, because the mean of its divisors is an integer number (34090950).

Almost surely, 2^135454559 is an apocalyptic number.

135454559 is a deficient number, since it is larger than the sum of its proper divisors (909241).

135454559 is an equidigital number, since it uses as much as digits as its factorization.

135454559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909240.

The product of its digits is 270000, while the sum is 41.

The square root of 135454559 is about 11638.4947050725. The cubic root of 135454559 is about 513.5679056215.

The spelling of 135454559 in words is "one hundred thirty-five million, four hundred fifty-four thousand, five hundred fifty-nine".