169019141 has 2 divisors, whose sum is σ = 169019142. Its totient is φ = 169019140.

The previous prime is 169019131. The next prime is 169019167. The reversal of 169019141 is 141910961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102596641 + 66422500 = 10129^2 + 8150^2 .

It is an emirp because it is prime and its reverse (141910961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 169019141 - 2⁶ = 169019077 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 169019098 and 169019107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (169019131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84509570 + 84509571.

It is an arithmetic number, because the mean of its divisors is an integer number (84509571).

Almost surely, 2^169019141 is an apocalyptic number.

It is an amenable number.

169019141 is a deficient number, since it is larger than the sum of its proper divisors (1).

169019141 is an equidigital number, since it uses as much as digits as its factorization.

169019141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 169019141 is about 13000.7361714635. The cubic root of 169019141 is about 552.8983536132.

The spelling of 169019141 in words is "one hundred sixty-nine million, nineteen thousand, one hundred forty-one".