2132155189 has 2 divisors, whose sum is σ = 2132155190. Its totient is φ = 2132155188.

The previous prime is 2132155171. The next prime is 2132155219. The reversal of 2132155189 is 9815512312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1761900625 + 370254564 = 41975^2 + 19242^2 .

It is a cyclic number.

It is not a de Polignac number, because 2132155189 - 2⁹ = 2132154677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2132155159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066077594 + 1066077595.

It is an arithmetic number, because the mean of its divisors is an integer number (1066077595).

Almost surely, 2^2132155189 is an apocalyptic number.

It is an amenable number.

2132155189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132155189 is an equidigital number, since it uses as much as digits as its factorization.

2132155189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 37.

The square root of 2132155189 is about 46175.2659873227. The cubic root of 2132155189 is about 1287.0821596188.

The spelling of 2132155189 in words is "two billion, one hundred thirty-two million, one hundred fifty-five thousand, one hundred eighty-nine".