80134236 has 144 divisors (see below), whose sum is σ = 254025408. Its totient is φ = 20736000.

The previous prime is 80134207. The next prime is 80134237. The reversal of 80134236 is 63243108.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80134237) 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 47 ways as a sum of consecutive naturals, for example, 199636 + ... + 200036.

Almost surely, 2^80134236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80134236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127012704).

80134236 is an abundant number, since it is smaller than the sum of its proper divisors (173891172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80134236 is a wasteful number, since it uses less digits than its factorization.

80134236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 80134236 is about 8951.7727853202. The cubic root of 80134236 is about 431.1278055812.

The spelling of 80134236 in words is "eighty million, one hundred thirty-four thousand, two hundred thirty-six".