216054135 has 40 divisors (see below), whose sum is σ = 422514576. Its totient is φ = 104751360.

The previous prime is 216054127. The next prime is 216054151. The reversal of 216054135 is 531450612.

216054135 is a `hidden beast` number, since 21 + 605 + 4 + 1 + 35 = 666.

It is not a de Polignac number, because 216054135 - 2³ = 216054127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 216054099 and 216054108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19794 + ... + 28703.

Almost surely, 2^216054135 is an apocalyptic number.

216054135 is a deficient number, since it is larger than the sum of its proper divisors (206460441).

216054135 is a wasteful number, since it uses less digits than its factorization.

216054135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48525 (or 48516 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 216054135 is about 14698.7800514192. The cubic root of 216054135 is about 600.0501208131.

The spelling of 216054135 in words is "two hundred sixteen million, fifty-four thousand, one hundred thirty-five".