140232400 has 240 divisors, whose sum is σ = 437293440. Its totient is φ = 41932800.

The previous prime is 140232383. The next prime is 140232413. The reversal of 140232400 is 4232041.

It is a Harshad number since it is a multiple of its sum of digits (16).

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 47 ways as a sum of consecutive naturals, for example, 893122 + ... + 893278.

It is an arithmetic number, because the mean of its divisors is an integer number (1822056).

Almost surely, 2^140232400 is an apocalyptic number.

140232400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140232400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218646720).

140232400 is an abundant number, since it is smaller than the sum of its proper divisors (297061040).

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

140232400 is a wasteful number, since it uses less digits than its factorization.

140232400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 211 counting only the distinct ones).

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

The square root of 140232400 is about 11841.9761864310. The cubic root of 140232400 is about 519.5365693559.

Adding to 140232400 its reverse (4232041), we get a palindrome (144464441).

The spelling of 140232400 in words is "one hundred forty million, two hundred thirty-two thousand, four hundred".