140641804 has 12 divisors (see below), whose sum is σ = 249239200. Its totient is φ = 69430608.

The previous prime is 140641801. The next prime is 140641817. The reversal of 140641804 is 408146041.

It is not an unprimeable number, because it can be changed into a prime (140641801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222219 + ... + 222850.

Almost surely, 2^140641804 is an apocalyptic number.

It is an amenable number.

140641804 is a deficient number, since it is larger than the sum of its proper divisors (108597396).

140641804 is a wasteful number, since it uses less digits than its factorization.

140641804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445152 (or 445150 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 140641804 is about 11859.2497233172. The cubic root of 140641804 is about 520.0416682586.

Adding to 140641804 its reverse (408146041), we get a palindrome (548787845).

The spelling of 140641804 in words is "one hundred forty million, six hundred forty-one thousand, eight hundred four".