135555530 has 32 divisors (see below), whose sum is σ = 267012288. Its totient is φ = 49139200.

The previous prime is 135555523. The next prime is 135555533. The reversal of 135555530 is 35555531.

It is not an unprimeable number, because it can be changed into a prime (135555533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37085 + ... + 40575.

It is an arithmetic number, because the mean of its divisors is an integer number (8344134).

Almost surely, 2^135555530 is an apocalyptic number.

135555530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135555530 is a deficient number, since it is larger than the sum of its proper divisors (131456758).

135555530 is a wasteful number, since it uses less digits than its factorization.

135555530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862.

The product of its (nonzero) digits is 28125, while the sum is 32.

The square root of 135555530 is about 11642.8317002351. The cubic root of 135555530 is about 513.6954824412.

Subtracting from 135555530 its reverse (35555531), we obtain a palindrome (99999999).

The spelling of 135555530 in words is "one hundred thirty-five million, five hundred fifty-five thousand, five hundred thirty".