8151380 has 36 divisors (see below), whose sum is σ = 18082260. Its totient is φ = 3086208.

The previous prime is 8151379. The next prime is 8151383. The reversal of 8151380 is 831518.

It can be written as a sum of positive squares in 2 ways, for example, as 1669264 + 6482116 = 1292^2 + 2546^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8151383) 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 11 ways as a sum of consecutive naturals, for example, 6656 + ... + 7784.

It is an arithmetic number, because the mean of its divisors is an integer number (502285).

Almost surely, 2^8151380 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 8151380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9041130).

8151380 is an abundant number, since it is smaller than the sum of its proper divisors (9930880).

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

8151380 is a wasteful number, since it uses less digits than its factorization.

8151380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 8151380 is about 2855.0621709518. The cubic root of 8151380 is about 201.2536256950.

Adding to 8151380 its reverse (831518), we get a palindrome (8982898).

The spelling of 8151380 in words is "eight million, one hundred fifty-one thousand, three hundred eighty".