140230400 has 54 divisors (see below), whose sum is σ = 347107992. Its totient is φ = 56089600.

The previous prime is 140230381. The next prime is 140230411. The reversal of 140230400 is 4032041.

It is a super-3 number, since 3×140230400³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 4556 + ... + 17355.

Almost surely, 2^140230400 is an apocalyptic number.

140230400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140230400 is an abundant number, since it is smaller than the sum of its proper divisors (206877592).

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

140230400 is an equidigital number, since it uses as much as digits as its factorization.

140230400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21937 (or 21918 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 140230400 is about 11841.8917407651. The cubic root of 140230400 is about 519.5340994605.

Adding to 140230400 its reverse (4032041), we get a palindrome (144262441).

The spelling of 140230400 in words is "one hundred forty million, two hundred thirty thousand, four hundred".