2113154129 has 2 divisors, whose sum is σ = 2113154130. Its totient is φ = 2113154128.

The previous prime is 2113154093. The next prime is 2113154159. The reversal of 2113154129 is 9214513112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1343369104 + 769785025 = 36652^2 + 27745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2113154129 is a prime.

It is not a weakly prime, because it can be changed into another prime (2113154159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056577064 + 1056577065.

It is an arithmetic number, because the mean of its divisors is an integer number (1056577065).

Almost surely, 2^2113154129 is an apocalyptic number.

It is an amenable number.

2113154129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113154129 is an equidigital number, since it uses as much as digits as its factorization.

2113154129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 29.

The square root of 2113154129 is about 45969.0562117605. The cubic root of 2113154129 is about 1283.2473957783.

The spelling of 2113154129 in words is "two billion, one hundred thirteen million, one hundred fifty-four thousand, one hundred twenty-nine".