135549184563 has 80 divisors (see below), whose sum is σ = 220561076736. Its totient is φ = 82462691520.

The previous prime is 135549184549. The next prime is 135549184583. The reversal of 135549184563 is 365481945531.

135549184563 is a `hidden beast` number, since 1 + 3 + 55 + 491 + 8 + 45 + 63 = 666.

It is not a de Polignac number, because 135549184563 - 2²⁶ = 135482075699 is a prime.

It is a super-3 number, since 3×135549184563³ (a number of 34 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (135549184513) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 72446518 + ... + 72448388.

Almost surely, 2^135549184563 is an apocalyptic number.

135549184563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

135549184563 is a deficient number, since it is larger than the sum of its proper divisors (85011892173).

135549184563 is a wasteful number, since it uses less digits than its factorization.

135549184563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646 (or 2637 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 54.

The spelling of 135549184563 in words is "one hundred thirty-five billion, five hundred forty-nine million, one hundred eighty-four thousand, five hundred sixty-three".