216134754 has 32 divisors (see below), whose sum is σ = 473147136. Its totient is φ = 65275920.

The previous prime is 216134731. The next prime is 216134771. The reversal of 216134754 is 457431612.

216134754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14929 + ... + 25595.

It is an arithmetic number, because the mean of its divisors is an integer number (14785848).

Almost surely, 2^216134754 is an apocalyptic number.

216134754 is an abundant number, since it is smaller than the sum of its proper divisors (257012382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216134754 is a wasteful number, since it uses less digits than its factorization.

216134754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10990.

The product of its digits is 20160, while the sum is 33.

The square root of 216134754 is about 14701.5221660888. The cubic root of 216134754 is about 600.1247462844.

The spelling of 216134754 in words is "two hundred sixteen million, one hundred thirty-four thousand, seven hundred fifty-four".