140147211 has 32 divisors (see below), whose sum is σ = 209226240. Its totient is φ = 83026944.

The previous prime is 140147207. The next prime is 140147213. The reversal of 140147211 is 112741041.

It is not a de Polignac number, because 140147211 - 2² = 140147207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140147213) 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 31 ways as a sum of consecutive naturals, for example, 68475 + ... + 70491.

It is an arithmetic number, because the mean of its divisors is an integer number (6538320).

Almost surely, 2^140147211 is an apocalyptic number.

140147211 is a deficient number, since it is larger than the sum of its proper divisors (69079029).

140147211 is a wasteful number, since it uses less digits than its factorization.

140147211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 140147211 is about 11838.3787319041. The cubic root of 140147211 is about 519.4313445861.

Adding to 140147211 its reverse (112741041), we get a palindrome (252888252).

The spelling of 140147211 in words is "one hundred forty million, one hundred forty-seven thousand, two hundred eleven".