140105630 has 16 divisors (see below), whose sum is σ = 288217440. Its totient is φ = 48036192.

The previous prime is 140105629. The next prime is 140105633. The reversal of 140105630 is 36501041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140105633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000685 + ... + 1000824.

It is an arithmetic number, because the mean of its divisors is an integer number (18013590).

Almost surely, 2^140105630 is an apocalyptic number.

140105630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140105630 is an abundant number, since it is smaller than the sum of its proper divisors (148111810).

140105630 is a wasteful number, since it uses less digits than its factorization.

140105630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001523.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 140105630 is about 11836.6224067510. The cubic root of 140105630 is about 519.3799685818.

Adding to 140105630 its reverse (36501041), we get a palindrome (176606671).

The spelling of 140105630 in words is "one hundred forty million, one hundred five thousand, six hundred thirty".