140628163 has 8 divisors (see below), whose sum is σ = 156668400. Its totient is φ = 125334048.

The previous prime is 140628127. The next prime is 140628179. The reversal of 140628163 is 361826041.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140628163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140628113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186133 + ... + 186886.

It is an arithmetic number, because the mean of its divisors is an integer number (19583550).

Almost surely, 2^140628163 is an apocalyptic number.

140628163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140628163 is a deficient number, since it is larger than the sum of its proper divisors (16040237).

140628163 is a wasteful number, since it uses less digits than its factorization.

140628163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373061.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 140628163 is about 11858.6745886714. The cubic root of 140628163 is about 520.0248545812.

The spelling of 140628163 in words is "one hundred forty million, six hundred twenty-eight thousand, one hundred sixty-three".