223136140 has 24 divisors (see below), whose sum is σ = 483702912. Its totient is φ = 86375040.

The previous prime is 223136129. The next prime is 223136141. The reversal of 223136140 is 41631322.

It is a super-3 number, since 3×223136140³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223136141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179329 + ... + 180568.

It is an arithmetic number, because the mean of its divisors is an integer number (20154288).

Almost surely, 2^223136140 is an apocalyptic number.

223136140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223136140 is an abundant number, since it is smaller than the sum of its proper divisors (260566772).

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

223136140 is a wasteful number, since it uses less digits than its factorization.

223136140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359937 (or 359935 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 223136140 is about 14937.7421319288. The cubic root of 223136140 is about 606.5360779715.

Adding to 223136140 its reverse (41631322), we get a palindrome (264767462).

The spelling of 223136140 in words is "two hundred twenty-three million, one hundred thirty-six thousand, one hundred forty".