2141505139 has 2 divisors, whose sum is σ = 2141505140. Its totient is φ = 2141505138.

The previous prime is 2141505109. The next prime is 2141505167. The reversal of 2141505139 is 9315051412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2141505139 - 2²¹ = 2139407987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2141505139.

It is not a weakly prime, because it can be changed into another prime (2141505109) 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, 1070752569 + 1070752570.

It is an arithmetic number, because the mean of its divisors is an integer number (1070752570).

Almost surely, 2^2141505139 is an apocalyptic number.

2141505139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141505139 is an equidigital number, since it uses as much as digits as its factorization.

2141505139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 2141505139 is about 46276.3993737629. The cubic root of 2141505139 is about 1288.9607917596.

It can be divided in two parts, 2 and 141505139, that added together give a palindrome (141505141).

The spelling of 2141505139 in words is "two billion, one hundred forty-one million, five hundred five thousand, one hundred thirty-nine".