2140113991 has 2 divisors, whose sum is σ = 2140113992. Its totient is φ = 2140113990.

The previous prime is 2140113967. The next prime is 2140114013. The reversal of 2140113991 is 1993110412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2140113991 - 2⁷ = 2140113863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140113961) 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, 1070056995 + 1070056996.

It is an arithmetic number, because the mean of its divisors is an integer number (1070056996).

Almost surely, 2^2140113991 is an apocalyptic number.

2140113991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140113991 is an equidigital number, since it uses as much as digits as its factorization.

2140113991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 2140113991 is about 46261.3660736472. The cubic root of 2140113991 is about 1288.6816230546.

The spelling of 2140113991 in words is "two billion, one hundred forty million, one hundred thirteen thousand, nine hundred ninety-one".