8140500 has 144 divisors (see below), whose sum is σ = 27029184. Its totient is φ = 2138400.

The previous prime is 8140441. The next prime is 8140519. The reversal of 8140500 is 50418.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 121467 + ... + 121533.

Almost surely, 2^8140500 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 8140500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13514592).

8140500 is an abundant number, since it is smaller than the sum of its proper divisors (18888684).

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

8140500 is a wasteful number, since it uses less digits than its factorization.

8140500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 8140500 is about 2853.1561471465. The cubic root of 8140500 is about 201.1640451834.

Adding to 8140500 its reverse (50418), we get a palindrome (8190918).

The spelling of 8140500 in words is "eight million, one hundred forty thousand, five hundred".