141620189 has 2 divisors, whose sum is σ = 141620190. Its totient is φ = 141620188.

The previous prime is 141620147. The next prime is 141620209. The reversal of 141620189 is 981026141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105740089 + 35880100 = 10283^2 + 5990^2 .

It is a cyclic number.

It is not a de Polignac number, because 141620189 - 2¹⁶ = 141554653 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141620389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70810094 + 70810095.

It is an arithmetic number, because the mean of its divisors is an integer number (70810095).

Almost surely, 2^141620189 is an apocalyptic number.

It is an amenable number.

141620189 is a deficient number, since it is larger than the sum of its proper divisors (1).

141620189 is an equidigital number, since it uses as much as digits as its factorization.

141620189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 141620189 is about 11900.4281015432. The cubic root of 141620189 is about 521.2447853377.

The spelling of 141620189 in words is "one hundred forty-one million, six hundred twenty thousand, one hundred eighty-nine".