135243453051 has 24 divisors (see below), whose sum is σ = 223513696224. Its totient is φ = 77193820800.

The previous prime is 135243453041. The next prime is 135243453073. The reversal of 135243453051 is 150354342531.

135243453051 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 4 + 345 + 305 + 1 = 666.

It is not a de Polignac number, because 135243453051 - 2¹⁵ = 135243420283 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135243452997 and 135243453015.

It is not an unprimeable number, because it can be changed into a prime (135243453011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1168650 + ... + 1279151.

It is an arithmetic number, because the mean of its divisors is an integer number (9313070676).

Almost surely, 2^135243453051 is an apocalyptic number.

135243453051 is a deficient number, since it is larger than the sum of its proper divisors (88270243173).

135243453051 is a wasteful number, since it uses less digits than its factorization.

135243453051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448691 (or 2448688 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 135243453051 its reverse (150354342531), we get a palindrome (285597795582).

The spelling of 135243453051 in words is "one hundred thirty-five billion, two hundred forty-three million, four hundred fifty-three thousand, fifty-one".