140424000 has 112 divisors (see below), whose sum is σ = 463759296. Its totient is φ = 37440000.

The previous prime is 140423999. The next prime is 140424043. The reversal of 140424000 is 424041.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21075 + ... + 26925.

It is an arithmetic number, because the mean of its divisors is an integer number (4140708).

Almost surely, 2^140424000 is an apocalyptic number.

140424000 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 140424000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231879648).

140424000 is an abundant number, since it is smaller than the sum of its proper divisors (323335296).

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

140424000 is an equidigital number, since it uses as much as digits as its factorization.

140424000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881 (or 5861 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 140424000 is about 11850.0632909702. The cubic root of 140424000 is about 519.7730765294.

Adding to 140424000 its reverse (424041), we get a palindrome (140848041).

The spelling of 140424000 in words is "one hundred forty million, four hundred twenty-four thousand".