135303313555 has 4 divisors (see below), whose sum is σ = 162363976272. Its totient is φ = 108242650840.

The previous prime is 135303313553. The next prime is 135303313567. The reversal of 135303313555 is 555313303531.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 135303313555 - 2¹ = 135303313553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135303313553) 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, 13530331351 + ... + 13530331360.

It is an arithmetic number, because the mean of its divisors is an integer number (40590994068).

Almost surely, 2^135303313555 is an apocalyptic number.

135303313555 is a deficient number, since it is larger than the sum of its proper divisors (27060662717).

135303313555 is an equidigital number, since it uses as much as digits as its factorization.

135303313555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27060662716.

The product of its (nonzero) digits is 151875, while the sum is 37.

The spelling of 135303313555 in words is "one hundred thirty-five billion, three hundred three million, three hundred thirteen thousand, five hundred fifty-five".