140663211 has 16 divisors (see below), whose sum is σ = 202836480. Its totient is φ = 86194080.

The previous prime is 140663209. The next prime is 140663221. The reversal of 140663211 is 112366041.

It is not a de Polignac number, because 140663211 - 2¹ = 140663209 is a prime.

It is a super-2 number, since 2×140663211² = 39572277857661042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140663221) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1776 + ... + 16866.

It is an arithmetic number, because the mean of its divisors is an integer number (12677280).

Almost surely, 2^140663211 is an apocalyptic number.

140663211 is a deficient number, since it is larger than the sum of its proper divisors (62173269).

140663211 is a wasteful number, since it uses less digits than its factorization.

140663211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15346.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 140663211 is about 11860.1522334243. The cubic root of 140663211 is about 520.0680519911.

The spelling of 140663211 in words is "one hundred forty million, six hundred sixty-three thousand, two hundred eleven".