141656069 has 2 divisors, whose sum is σ = 141656070. Its totient is φ = 141656068.

The previous prime is 141656059. The next prime is 141656071. The reversal of 141656069 is 960656141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119093569 + 22562500 = 10913^2 + 4750^2 .

It is an emirp because it is prime and its reverse (960656141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141656069 is a prime.

It is a super-2 number, since 2×141656069² = 40132883769065522, which contains 22 as substring.

Together with 141656071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141656029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70828034 + 70828035.

It is an arithmetic number, because the mean of its divisors is an integer number (70828035).

Almost surely, 2^141656069 is an apocalyptic number.

It is an amenable number.

141656069 is a deficient number, since it is larger than the sum of its proper divisors (1).

141656069 is an equidigital number, since it uses as much as digits as its factorization.

141656069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 141656069 is about 11901.9355148648. The cubic root of 141656069 is about 521.2888013871.

The spelling of 141656069 in words is "one hundred forty-one million, six hundred fifty-six thousand, sixty-nine".