63216135 has 48 divisors (see below), whose sum is σ = 116588160. Its totient is φ = 31596480.

The previous prime is 63216071. The next prime is 63216151. The reversal of 63216135 is 53161236.

63216135 is a `hidden beast` number, since 632 + 16 + 13 + 5 = 666.

It is not a de Polignac number, because 63216135 - 2⁶ = 63216071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63216099 and 63216108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91140 + ... + 91830.

It is an arithmetic number, because the mean of its divisors is an integer number (2428920).

Almost surely, 2^63216135 is an apocalyptic number.

63216135 is a deficient number, since it is larger than the sum of its proper divisors (53372025).

63216135 is a wasteful number, since it uses less digits than its factorization.

63216135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 825 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 63216135 is about 7950.8575009240. The cubic root of 63216135 is about 398.3602350293.

The spelling of 63216135 in words is "sixty-three million, two hundred sixteen thousand, one hundred thirty-five".