8130999 has 8 divisors (see below), whose sum is σ = 11093632. Its totient is φ = 5294520.

The previous prime is 8130989. The next prime is 8131003. The reversal of 8130999 is 9990318.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-8130999 is a prime.

It is a super-2 number, since 2×8130999² = 132226289476002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8130949) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31387 + ... + 31644.

It is an arithmetic number, because the mean of its divisors is an integer number (1386704).

Almost surely, 2^8130999 is an apocalyptic number.

8130999 is a deficient number, since it is larger than the sum of its proper divisors (2962633).

8130999 is a wasteful number, since it uses less digits than its factorization.

8130999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63077.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 8130999 is about 2851.4906627938. The cubic root of 8130999 is about 201.0857533652.

The spelling of 8130999 in words is "eight million, one hundred thirty thousand, nine hundred ninety-nine".