135545361 has 32 divisors (see below), whose sum is σ = 216883200. Its totient is φ = 73664640.

The previous prime is 135545359. The next prime is 135545363. The reversal of 135545361 is 163545531.

It is an interprime number because it is at equal distance from previous prime (135545359) and next prime (135545363).

It is not a de Polignac number, because 135545361 - 2¹ = 135545359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135545363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36645 + ... + 40173.

It is an arithmetic number, because the mean of its divisors is an integer number (6777600).

Almost surely, 2^135545361 is an apocalyptic number.

It is an amenable number.

135545361 is a deficient number, since it is larger than the sum of its proper divisors (81337839).

135545361 is a wasteful number, since it uses less digits than its factorization.

135545361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629.

The product of its digits is 27000, while the sum is 33.

The square root of 135545361 is about 11642.3949855689. The cubic root of 135545361 is about 513.6826367831.

It can be divided in two parts, 13554 and 5361, that added together give a triangular number (18915 = T₁₉₄).

The spelling of 135545361 in words is "one hundred thirty-five million, five hundred forty-five thousand, three hundred sixty-one".