80134380 has 96 divisors (see below), whose sum is σ = 257402880. Its totient is φ = 20675520.

The previous prime is 80134367. The next prime is 80134387. The reversal of 80134380 is 8343108.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (80134387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14347 + ... + 19133.

It is an arithmetic number, because the mean of its divisors is an integer number (2681280).

Almost surely, 2^80134380 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 80134380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128701440).

80134380 is an abundant number, since it is smaller than the sum of its proper divisors (177268500).

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

80134380 is a wasteful number, since it uses less digits than its factorization.

80134380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836 (or 4828 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 80134380 is about 8951.7808284162. The cubic root of 80134380 is about 431.1280638244.

Adding to 80134380 its reverse (8343108), we get a palindrome (88477488).

The spelling of 80134380 in words is "eighty million, one hundred thirty-four thousand, three hundred eighty".