140400204 has 24 divisors (see below), whose sum is σ = 374400768. Its totient is φ = 40114320.

The previous prime is 140400199. The next prime is 140400217. The reversal of 140400204 is 402004041.

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 7 ways as a sum of consecutive naturals, for example, 835632 + ... + 835799.

It is an arithmetic number, because the mean of its divisors is an integer number (15600032).

Almost surely, 2^140400204 is an apocalyptic number.

140400204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140400204 is an abundant number, since it is smaller than the sum of its proper divisors (234000564).

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

140400204 is a wasteful number, since it uses less digits than its factorization.

140400204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671445 (or 1671443 counting only the distinct ones).

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

The square root of 140400204 is about 11849.0592031604. The cubic root of 140400204 is about 519.7437149320.

Adding to 140400204 its reverse (402004041), we get a palindrome (542404245).

The spelling of 140400204 in words is "one hundred forty million, four hundred thousand, two hundred four".