80071138 has 8 divisors (see below), whose sum is σ = 137264832. Its totient is φ = 34316196.

The previous prime is 80071133. The next prime is 80071151. The reversal of 80071138 is 83117008.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×80071138² = 12822774281230088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80071133) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2859670 + ... + 2859697.

It is an arithmetic number, because the mean of its divisors is an integer number (17158104).

Almost surely, 2^80071138 is an apocalyptic number.

80071138 is a deficient number, since it is larger than the sum of its proper divisors (57193694).

80071138 is a wasteful number, since it uses less digits than its factorization.

80071138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5719376.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 80071138 is about 8948.2477614335. The cubic root of 80071138 is about 431.0146186474.

The spelling of 80071138 in words is "eighty million, seventy-one thousand, one hundred thirty-eight".