2140311369 has 16 divisors (see below), whose sum is σ = 3337275392. Its totient is φ = 1194591888.

The previous prime is 2140311359. The next prime is 2140311379. The reversal of 2140311369 is 9631130412.

It is an interprime number because it is at equal distance from previous prime (2140311359) and next prime (2140311379).

It is not a de Polignac number, because 2140311369 - 2⁷ = 2140311241 is a prime.

It is a super-2 number, since 2×2140311369² = 9161865512541308322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2140311319) 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, 1184209 + ... + 1186014.

It is an arithmetic number, because the mean of its divisors is an integer number (208579712).

Almost surely, 2^2140311369 is an apocalyptic number.

It is an amenable number.

2140311369 is a deficient number, since it is larger than the sum of its proper divisors (1196964023).

2140311369 is a wasteful number, since it uses less digits than its factorization.

2140311369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370276.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 2140311369 is about 46263.4993164157. The cubic root of 2140311369 is about 1288.7212392594.

The spelling of 2140311369 in words is "two billion, one hundred forty million, three hundred eleven thousand, three hundred sixty-nine".