187015141 has 2 divisors, whose sum is σ = 187015142. Its totient is φ = 187015140.

The previous prime is 187015133. The next prime is 187015151. The reversal of 187015141 is 141510781.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139004100 + 48011041 = 11790^2 + 6929^2 .

It is a cyclic number.

It is not a de Polignac number, because 187015141 - 2³ = 187015133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (187015151) 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, 93507570 + 93507571.

It is an arithmetic number, because the mean of its divisors is an integer number (93507571).

Almost surely, 2^187015141 is an apocalyptic number.

It is an amenable number.

187015141 is a deficient number, since it is larger than the sum of its proper divisors (1).

187015141 is an equidigital number, since it uses as much as digits as its factorization.

187015141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 28.

The square root of 187015141 is about 13675.3479297603. The cubic root of 187015141 is about 571.8633398481.

The spelling of 187015141 in words is "one hundred eighty-seven million, fifteen thousand, one hundred forty-one".