135223531355 has 16 divisors (see below), whose sum is σ = 177056236800. Its totient is φ = 98324196960.

The previous prime is 135223531349. The next prime is 135223531381. The reversal of 135223531355 is 553135322531.

It is not a de Polignac number, because 135223531355 - 2⁸ = 135223531099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20636 + ... + 520454.

It is an arithmetic number, because the mean of its divisors is an integer number (11066014800).

Almost surely, 2^135223531355 is an apocalyptic number.

135223531355 is a deficient number, since it is larger than the sum of its proper divisors (41832705445).

135223531355 is a wasteful number, since it uses less digits than its factorization.

135223531355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504754.

The product of its digits is 202500, while the sum is 38.

Adding to 135223531355 its reverse (553135322531), we get a palindrome (688358853886).

The spelling of 135223531355 in words is "one hundred thirty-five billion, two hundred twenty-three million, five hundred thirty-one thousand, three hundred fifty-five".