2130145188 has 12 divisors (see below), whose sum is σ = 4970338800. Its totient is φ = 710048392.

The previous prime is 2130145187. The next prime is 2130145249. The reversal of 2130145188 is 8815410312.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2130145187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88756038 + ... + 88756061.

It is an arithmetic number, because the mean of its divisors is an integer number (414194900).

Almost surely, 2^2130145188 is an apocalyptic number.

It is an amenable number.

2130145188 is an abundant number, since it is smaller than the sum of its proper divisors (2840193612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2130145188 is a wasteful number, since it uses less digits than its factorization.

2130145188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177512106 (or 177512104 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 2130145188 is about 46153.4959455944. The cubic root of 2130145188 is about 1286.6775846598.

The spelling of 2130145188 in words is "two billion, one hundred thirty million, one hundred forty-five thousand, one hundred eighty-eight".