223540134 has 8 divisors (see below), whose sum is σ = 447080280. Its totient is φ = 74513376.

The previous prime is 223540129. The next prime is 223540139. The reversal of 223540134 is 431045322.

It is an interprime number because it is at equal distance from previous prime (223540129) and next prime (223540139).

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

223540134 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223540139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18628339 + ... + 18628350.

It is an arithmetic number, because the mean of its divisors is an integer number (55885035).

Almost surely, 2^223540134 is an apocalyptic number.

223540134 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.

223540134 is a wasteful number, since it uses less digits than its factorization.

223540134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37256694.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 223540134 is about 14951.2586092275. The cubic root of 223540134 is about 606.9019072553.

Adding to 223540134 its reverse (431045322), we get a palindrome (654585456).

The spelling of 223540134 in words is "two hundred twenty-three million, five hundred forty thousand, one hundred thirty-four".