71135339 has 6 divisors (see below), whose sum is σ = 77632716. Its totient is φ = 64643060.

The previous prime is 71135329. The next prime is 71135357. The reversal of 71135339 is 93353117.

It is not a de Polignac number, because 71135339 - 2⁸ = 71135083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71135329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26702 + ... + 29244.

It is an arithmetic number, because the mean of its divisors is an integer number (12938786).

Almost surely, 2^71135339 is an apocalyptic number.

71135339 is a deficient number, since it is larger than the sum of its proper divisors (6497377).

71135339 is an frugal number, since it uses more digits than its factorization.

71135339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5097 (or 2554 counting only the distinct ones).

The product of its digits is 8505, while the sum is 32.

The square root of 71135339 is about 8434.1768418738. The cubic root of 71135339 is about 414.3447131705.

It can be divided in two parts, 71 and 135339, that multiplied together give a palindrome (9609069).

The spelling of 71135339 in words is "seventy-one million, one hundred thirty-five thousand, three hundred thirty-nine".