140191163 has 16 divisors (see below), whose sum is σ = 170002944. Its totient is φ = 112855680.

The previous prime is 140191159. The next prime is 140191169. The reversal of 140191163 is 361191041.

It is not a de Polignac number, because 140191163 - 2² = 140191159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140191169) 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, 74156 + ... + 76022.

It is an arithmetic number, because the mean of its divisors is an integer number (10625184).

Almost surely, 2^140191163 is an apocalyptic number.

140191163 is a deficient number, since it is larger than the sum of its proper divisors (29811781).

140191163 is a wasteful number, since it uses less digits than its factorization.

140191163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 140191163 is about 11840.2349216559. The cubic root of 140191163 is about 519.4856390672.

The spelling of 140191163 in words is "one hundred forty million, one hundred ninety-one thousand, one hundred sixty-three".