71136029 has 2 divisors, whose sum is σ = 71136030. Its totient is φ = 71136028.

The previous prime is 71136011. The next prime is 71136031. The reversal of 71136029 is 92063117.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65983129 + 5152900 = 8123^2 + 2270^2 .

It is an emirp because it is prime and its reverse (92063117) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71136029 - 2⁸ = 71135773 is a prime.

Together with 71136031, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 71135992 and 71136010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71136049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35568014 + 35568015.

It is an arithmetic number, because the mean of its divisors is an integer number (35568015).

Almost surely, 2^71136029 is an apocalyptic number.

It is an amenable number.

71136029 is a deficient number, since it is larger than the sum of its proper divisors (1).

71136029 is an equidigital number, since it uses as much as digits as its factorization.

71136029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 71136029 is about 8434.2177467741. The cubic root of 71136029 is about 414.3460528559.

The spelling of 71136029 in words is "seventy-one million, one hundred thirty-six thousand, twenty-nine".