135545355 has 72 divisors (see below), whose sum is σ = 264451824. Its totient is φ = 63676800.

The previous prime is 135545351. The next prime is 135545359. The reversal of 135545355 is 553545531.

135545355 is a `hidden beast` number, since 1 + 3 + 554 + 53 + 55 = 666.

It is an interprime number because it is at equal distance from previous prime (135545351) and next prime (135545359).

It is not a de Polignac number, because 135545355 - 2² = 135545351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135545351) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2023032 + ... + 2023098.

It is an arithmetic number, because the mean of its divisors is an integer number (3672942).

Almost surely, 2^135545355 is an apocalyptic number.

135545355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135545355 is a deficient number, since it is larger than the sum of its proper divisors (128906469).

135545355 is a wasteful number, since it uses less digits than its factorization.

135545355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 147 counting only the distinct ones).

The product of its digits is 112500, while the sum is 36.

The square root of 135545355 is about 11642.3947278900. The cubic root of 135545355 is about 513.6826292036.

It can be divided in two parts, 135 and 545355, that added together give a triangular number (545490 = T₁₀₄₄).

The spelling of 135545355 in words is "one hundred thirty-five million, five hundred forty-five thousand, three hundred fifty-five".