80136386 has 16 divisors (see below), whose sum is σ = 134332128. Its totient is φ = 35536800.

The previous prime is 80136383. The next prime is 80136403. The reversal of 80136386 is 68363108.

It is a happy number.

It is a super-2 number, since 2×80136386² = 12843680722281992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80136383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43520 + ... + 45323.

It is an arithmetic number, because the mean of its divisors is an integer number (8395758).

Almost surely, 2^80136386 is an apocalyptic number.

80136386 is a deficient number, since it is larger than the sum of its proper divisors (54195742).

80136386 is a wasteful number, since it uses less digits than its factorization.

80136386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88897.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 80136386 is about 8951.8928724600. The cubic root of 80136386 is about 431.1316612636.

The spelling of 80136386 in words is "eighty million, one hundred thirty-six thousand, three hundred eighty-six".