2130145187 has 2 divisors, whose sum is σ = 2130145188. Its totient is φ = 2130145186.

The previous prime is 2130145159. The next prime is 2130145249. The reversal of 2130145187 is 7815410312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2130145187 is a prime.

It is not a weakly prime, because it can be changed into another prime (2130145487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065072593 + 1065072594.

It is an arithmetic number, because the mean of its divisors is an integer number (1065072594).

Almost surely, 2^2130145187 is an apocalyptic number.

2130145187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130145187 is an equidigital number, since it uses as much as digits as its factorization.

2130145187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 2130145187 is about 46153.4959347610. The cubic root of 2130145187 is about 1286.6775844585.

Adding to 2130145187 its reverse (7815410312), we get a palindrome (9945555499).

The spelling of 2130145187 in words is "two billion, one hundred thirty million, one hundred forty-five thousand, one hundred eighty-seven".