135505150255 has 8 divisors (see below), whose sum is σ = 164833662672. Its totient is φ = 106919131968.

The previous prime is 135505150229. The next prime is 135505150267. The reversal of 135505150255 is 552051505531.

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

It is a cyclic number.

It is not a de Polignac number, because 135505150255 - 2²⁹ = 134968279343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185623129 + ... + 185623858.

It is an arithmetic number, because the mean of its divisors is an integer number (20604207834).

Almost surely, 2^135505150255 is an apocalyptic number.

135505150255 is a deficient number, since it is larger than the sum of its proper divisors (29328512417).

135505150255 is an equidigital number, since it uses as much as digits as its factorization.

135505150255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371247065.

The product of its (nonzero) digits is 93750, while the sum is 37.

Adding to 135505150255 its reverse (552051505531), we get a palindrome (687556655786).

The spelling of 135505150255 in words is "one hundred thirty-five billion, five hundred five million, one hundred fifty thousand, two hundred fifty-five".