140404000 has 96 divisors (see below), whose sum is σ = 376451712. Its totient is φ = 51040000.

The previous prime is 140403971. The next prime is 140404007. The reversal of 140404000 is 404041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (140404007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42405 + ... + 45595.

It is an arithmetic number, because the mean of its divisors is an integer number (3921372).

Almost surely, 2^140404000 is an apocalyptic number.

140404000 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 140404000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188225856).

140404000 is an abundant number, since it is smaller than the sum of its proper divisors (236047712).

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

140404000 is a wasteful number, since it uses less digits than its factorization.

140404000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227 (or 3209 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 140404000 is about 11849.2193835712. The cubic root of 140404000 is about 519.7483989930.

Adding to 140404000 its reverse (404041), we get a palindrome (140808041).

The spelling of 140404000 in words is "one hundred forty million, four hundred four thousand".