220134999 has 64 divisors (see below), whose sum is σ = 362086400. Its totient is φ = 118752480.

The previous prime is 220134997. The next prime is 220135021. The reversal of 220134999 is 999431022.

It is not a de Polignac number, because 220134999 - 2¹ = 220134997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220134991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2137182 + ... + 2137284.

It is an arithmetic number, because the mean of its divisors is an integer number (5657600).

Almost surely, 2^220134999 is an apocalyptic number.

220134999 is a deficient number, since it is larger than the sum of its proper divisors (141951401).

220134999 is a wasteful number, since it uses less digits than its factorization.

220134999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 220134999 is about 14836.9470916358. The cubic root of 220134999 is about 603.8045277364.

The spelling of 220134999 in words is "two hundred twenty million, one hundred thirty-four thousand, nine hundred ninety-nine".