80134992 has 180 divisors, whose sum is σ = 268209396. Its totient is φ = 22256640.

The previous prime is 80134979. The next prime is 80134997. The reversal of 80134992 is 29943108.

It can be written as a sum of positive squares in 2 ways, for example, as 8156736 + 71978256 = 2856^2 + 8484^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80134997) 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 35 ways as a sum of consecutive naturals, for example, 289158 + ... + 289434.

Almost surely, 2^80134992 is an apocalyptic number.

80134992 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80134992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134104698).

80134992 is an abundant number, since it is smaller than the sum of its proper divisors (188074404).

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

80134992 is a wasteful number, since it uses less digits than its factorization.

80134992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 80134992 is about 8951.8150114935. The cubic root of 80134992 is about 431.1291613546.

The spelling of 80134992 in words is "eighty million, one hundred thirty-four thousand, nine hundred ninety-two".