140223400 has 24 divisors (see below), whose sum is σ = 326019870. Its totient is φ = 56089280.

The previous prime is 140223397. The next prime is 140223407. The reversal of 140223400 is 4322041.

It can be written as a sum of positive squares in 3 ways, for example, as 67667076 + 72556324 = 8226^2 + 8518^2 .

It is not an unprimeable number, because it can be changed into a prime (140223407) 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 5 ways as a sum of consecutive naturals, for example, 350359 + ... + 350758.

Almost surely, 2^140223400 is an apocalyptic number.

140223400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140223400 is an abundant number, since it is smaller than the sum of its proper divisors (185796470).

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

140223400 is a wasteful number, since it uses less digits than its factorization.

140223400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701133 (or 701124 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 140223400 is about 11841.5961761918. The cubic root of 140223400 is about 519.5254546417.

Adding to 140223400 its reverse (4322041), we get a palindrome (144545441).

The spelling of 140223400 in words is "one hundred forty million, two hundred twenty-three thousand, four hundred".