140630901 has 16 divisors (see below), whose sum is σ = 195955200. Its totient is φ = 89542640.

The previous prime is 140630869. The next prime is 140630921. The reversal of 140630901 is 109036041.

It is a cyclic number.

It is not a de Polignac number, because 140630901 - 2⁵ = 140630869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140630921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65950 + ... + 68048.

It is an arithmetic number, because the mean of its divisors is an integer number (12247200).

Almost surely, 2^140630901 is an apocalyptic number.

It is an amenable number.

140630901 is a deficient number, since it is larger than the sum of its proper divisors (55324299).

140630901 is a wasteful number, since it uses less digits than its factorization.

140630901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 140630901 is about 11858.7900310276. The cubic root of 140630901 is about 520.0282294832.

Adding to 140630901 its reverse (109036041), we get a palindrome (249666942).

The spelling of 140630901 in words is "one hundred forty million, six hundred thirty thousand, nine hundred one".