140634141904 has 20 divisors (see below), whose sum is σ = 272753633920. Its totient is φ = 70246107360.

The previous prime is 140634141889. The next prime is 140634141929. The reversal of 140634141904 is 409141436041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4418874 + ... + 4450585.

It is an arithmetic number, because the mean of its divisors is an integer number (13637681696).

Almost surely, 2^140634141904 is an apocalyptic number.

It is an amenable number.

140634141904 is a deficient number, since it is larger than the sum of its proper divisors (132119492016).

140634141904 is an equidigital number, since it uses as much as digits as its factorization.

140634141904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8870458 (or 8870452 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

Adding to 140634141904 its reverse (409141436041), we get a palindrome (549775577945).

The spelling of 140634141904 in words is "one hundred forty billion, six hundred thirty-four million, one hundred forty-one thousand, nine hundred four".