71134159 has 2 divisors, whose sum is σ = 71134160. Its totient is φ = 71134158.

The previous prime is 71134127. The next prime is 71134177. The reversal of 71134159 is 95143117.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71134159 - 2⁵ = 71134127 is a prime.

It is equal to p_4180819 and since 71134159 and 4180819 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71134159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71134559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35567079 + 35567080.

It is an arithmetic number, because the mean of its divisors is an integer number (35567080).

Almost surely, 2^71134159 is an apocalyptic number.

71134159 is a deficient number, since it is larger than the sum of its proper divisors (1).

71134159 is an equidigital number, since it uses as much as digits as its factorization.

71134159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 31.

The square root of 71134159 is about 8434.1068881062. The cubic root of 71134159 is about 414.3424220942.

The spelling of 71134159 in words is "seventy-one million, one hundred thirty-four thousand, one hundred fifty-nine".