71150141 has 2 divisors, whose sum is σ = 71150142. Its totient is φ = 71150140.

The previous prime is 71150089. The next prime is 71150147. The reversal of 71150141 is 14105117.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41229241 + 29920900 = 6421^2 + 5470^2 .

It is a cyclic number.

It is not a de Polignac number, because 71150141 - 2¹⁸ = 70887997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71150147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35575070 + 35575071.

It is an arithmetic number, because the mean of its divisors is an integer number (35575071).

Almost surely, 2^71150141 is an apocalyptic number.

It is an amenable number.

71150141 is a deficient number, since it is larger than the sum of its proper divisors (1).

71150141 is an equidigital number, since it uses as much as digits as its factorization.

71150141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 71150141 is about 8435.0542973949. The cubic root of 71150141 is about 414.3734504347.

Adding to 71150141 its reverse (14105117), we get a palindrome (85255258).

The spelling of 71150141 in words is "seventy-one million, one hundred fifty thousand, one hundred forty-one".