140223356 has 36 divisors (see below), whose sum is σ = 303689232. Its totient is φ = 55471104.

The previous prime is 140223329. The next prime is 140223359. The reversal of 140223356 is 653322041.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140223359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10085 + ... + 19548.

It is an arithmetic number, because the mean of its divisors is an integer number (8435812).

Almost surely, 2^140223356 is an apocalyptic number.

It is an amenable number.

140223356 is an abundant number, since it is smaller than the sum of its proper divisors (163465876).

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

140223356 is a wasteful number, since it uses less digits than its factorization.

140223356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29670 (or 29655 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 140223356 is about 11841.5943183340. The cubic root of 140223356 is about 519.5254003019.

Adding to 140223356 its reverse (653322041), we get a palindrome (793545397).

The spelling of 140223356 in words is "one hundred forty million, two hundred twenty-three thousand, three hundred fifty-six".