2140231139 has 2 divisors, whose sum is σ = 2140231140. Its totient is φ = 2140231138.

The previous prime is 2140231097. The next prime is 2140231141. The reversal of 2140231139 is 9311320412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2140231139 - 2¹² = 2140227043 is a prime.

Together with 2140231141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2140231039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070115569 + 1070115570.

It is an arithmetic number, because the mean of its divisors is an integer number (1070115570).

Almost surely, 2^2140231139 is an apocalyptic number.

2140231139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140231139 is an equidigital number, since it uses as much as digits as its factorization.

2140231139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2140231139 is about 46262.6322100245. The cubic root of 2140231139 is about 1288.7051364003.

The spelling of 2140231139 in words is "two billion, one hundred forty million, two hundred thirty-one thousand, one hundred thirty-nine".