135318555 has 24 divisors (see below), whose sum is σ = 248350752. Its totient is φ = 67924224.

The previous prime is 135318541. The next prime is 135318571. The reversal of 135318555 is 555813531.

It is not a de Polignac number, because 135318555 - 2¹⁰ = 135317531 is a prime.

It is a super-2 number, since 2×135318555² = 36622222654576050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87679 + ... + 89208.

It is an arithmetic number, because the mean of its divisors is an integer number (10347948).

Almost surely, 2^135318555 is an apocalyptic number.

135318555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135318555 is a deficient number, since it is larger than the sum of its proper divisors (113032197).

135318555 is a wasteful number, since it uses less digits than its factorization.

135318555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176915 (or 176912 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The square root of 135318555 is about 11632.6503858751. The cubic root of 135318555 is about 513.3959643696.

The spelling of 135318555 in words is "one hundred thirty-five million, three hundred eighteen thousand, five hundred fifty-five".