135455603 has 4 divisors (see below), whose sum is σ = 135506928. Its totient is φ = 135404280.

The previous prime is 135455591. The next prime is 135455627. The reversal of 135455603 is 306554531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306554531 = 19 ⋅16134449.

It is a cyclic number.

It is not a de Polignac number, because 135455603 - 2⁶ = 135455539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135455603.

It is not an unprimeable number, because it can be changed into a prime (135454603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21476 + ... + 27057.

It is an arithmetic number, because the mean of its divisors is an integer number (33876732).

Almost surely, 2^135455603 is an apocalyptic number.

135455603 is a deficient number, since it is larger than the sum of its proper divisors (51325).

135455603 is an equidigital number, since it uses as much as digits as its factorization.

135455603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51324.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 135455603 is about 11638.5395561471. The cubic root of 135455603 is about 513.5692250394.

The spelling of 135455603 in words is "one hundred thirty-five million, four hundred fifty-five thousand, six hundred three".