223729134 has 8 divisors (see below), whose sum is σ = 447458280. Its totient is φ = 74576376.

The previous prime is 223729111. The next prime is 223729153. The reversal of 223729134 is 431927322.

It is a sphenic number, since it is the product of 3 distinct primes.

223729134 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 223729095 and 223729104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18644089 + ... + 18644100.

It is an arithmetic number, because the mean of its divisors is an integer number (55932285).

Almost surely, 2^223729134 is an apocalyptic number.

223729134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

223729134 is a wasteful number, since it uses less digits than its factorization.

223729134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37288194.

The product of its digits is 18144, while the sum is 33.

The square root of 223729134 is about 14957.5778119320. The cubic root of 223729134 is about 607.0729013800.

The spelling of 223729134 in words is "two hundred twenty-three million, seven hundred twenty-nine thousand, one hundred thirty-four".