135522455 has 24 divisors (see below), whose sum is σ = 169279632. Its totient is φ = 104141184.

The previous prime is 135522449. The next prime is 135522461. The reversal of 135522455 is 554225531.

It is an interprime number because it is at equal distance from previous prime (135522449) and next prime (135522461).

It is not a de Polignac number, because 135522455 - 2⁶ = 135522391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 989147 + ... + 989283.

It is an arithmetic number, because the mean of its divisors is an integer number (7053318).

Almost surely, 2^135522455 is an apocalyptic number.

135522455 is a deficient number, since it is larger than the sum of its proper divisors (33757177).

135522455 is a wasteful number, since it uses less digits than its factorization.

135522455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 292 counting only the distinct ones).

The product of its digits is 30000, while the sum is 32.

The square root of 135522455 is about 11641.4112117045. The cubic root of 135522455 is about 513.6536991707.

Adding to 135522455 its reverse (554225531), we get a palindrome (689747986).

The spelling of 135522455 in words is "one hundred thirty-five million, five hundred twenty-two thousand, four hundred fifty-five".