2139119929 has 2 divisors, whose sum is σ = 2139119930. Its totient is φ = 2139119928.

The previous prime is 2139119923. The next prime is 2139119933. The reversal of 2139119929 is 9299119312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1505440000 + 633679929 = 38800^2 + 25173^2 .

It is a cyclic number.

It is not a de Polignac number, because 2139119929 - 2⁵ = 2139119897 is a prime.

It is not a weakly prime, because it can be changed into another prime (2139119923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069559964 + 1069559965.

It is an arithmetic number, because the mean of its divisors is an integer number (1069559965).

Almost surely, 2^2139119929 is an apocalyptic number.

It is an amenable number.

2139119929 is a deficient number, since it is larger than the sum of its proper divisors (1).

2139119929 is an equidigital number, since it uses as much as digits as its factorization.

2139119929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78732, while the sum is 46.

The square root of 2139119929 is about 46250.6208498870. The cubic root of 2139119929 is about 1288.4820654875.

The spelling of 2139119929 in words is "two billion, one hundred thirty-nine million, one hundred nineteen thousand, nine hundred twenty-nine".