140555630 has 8 divisors (see below), whose sum is σ = 253000152. Its totient is φ = 56222248.

The previous prime is 140555627. The next prime is 140555669. The reversal of 140555630 is 36555041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140555593 and 140555602.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 7027772 + ... + 7027791.

It is an arithmetic number, because the mean of its divisors is an integer number (31625019).

Almost surely, 2^140555630 is an apocalyptic number.

140555630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140555630 is a deficient number, since it is larger than the sum of its proper divisors (112444522).

140555630 is a wasteful number, since it uses less digits than its factorization.

140555630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14055570.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 140555630 is about 11855.6159688141. The cubic root of 140555630 is about 519.9354333048.

The spelling of 140555630 in words is "one hundred forty million, five hundred fifty-five thousand, six hundred thirty".