71130182 has 16 divisors (see below), whose sum is σ = 110450304. Its totient is φ = 34320000.

The previous prime is 71130173. The next prime is 71130221. The reversal of 71130182 is 28103117.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23432 + ... + 26292.

It is an arithmetic number, because the mean of its divisors is an integer number (6903144).

Almost surely, 2^71130182 is an apocalyptic number.

71130182 is a deficient number, since it is larger than the sum of its proper divisors (39320122).

71130182 is a wasteful number, since it uses less digits than its factorization.

71130182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3295.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 71130182 is about 8433.8711159230. The cubic root of 71130182 is about 414.3347002038.

Adding to 71130182 its reverse (28103117), we get a palindrome (99233299).

The spelling of 71130182 in words is "seventy-one million, one hundred thirty thousand, one hundred eighty-two".