135543300354225 has 36 divisors (see below), whose sum is σ = 243563903318736. Its totient is φ = 72054288620640.

The previous prime is 135543300354223. The next prime is 135543300354247. The reversal of 135543300354225 is 522453003345531.

135543300354225 is a `hidden beast` number, since 1 + 3 + 5 + 5 + 43 + 30 + 0 + 354 + 225 = 666.

It is not a de Polignac number, because 135543300354225 - 2¹ = 135543300354223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (135543300354223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 981062307 + ... + 981200456.

It is an arithmetic number, because the mean of its divisors is an integer number (6765663981076).

Almost surely, 2^{135543300354225} is an apocalyptic number.

135543300354225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135543300354225 is a deficient number, since it is larger than the sum of its proper divisors (108020602964511).

135543300354225 is a wasteful number, since it uses less digits than its factorization.

135543300354225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962263086 (or 1962263078 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 45.

Adding to 135543300354225 its reverse (522453003345531), we get a palindrome (657996303699756).

The spelling of 135543300354225 in words is "one hundred thirty-five trillion, five hundred forty-three billion, three hundred million, three hundred fifty-four thousand, two hundred twenty-five".