140163311 has 6 divisors (see below), whose sum is σ = 146522880. Its totient is φ = 134068748.

The previous prime is 140163277. The next prime is 140163337. The reversal of 140163311 is 113361041.

It is not a de Polignac number, because 140163311 - 2¹⁰ = 140162287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140163371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131951 + ... + 133008.

It is an arithmetic number, because the mean of its divisors is an integer number (24420480).

Almost surely, 2^140163311 is an apocalyptic number.

140163311 is a deficient number, since it is larger than the sum of its proper divisors (6359569).

140163311 is an equidigital number, since it uses as much as digits as its factorization.

140163311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265005 (or 264982 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 140163311 is about 11839.0587041369. The cubic root of 140163311 is about 519.4512344443.

The spelling of 140163311 in words is "one hundred forty million, one hundred sixty-three thousand, three hundred eleven".