291130 has 16 divisors (see below), whose sum is σ = 599040. Its totient is φ = 99792.

The previous prime is 291113. The next prime is 291143. The reversal of 291130 is 31192.

291130 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2010 + ... + 2149.

It is an arithmetic number, because the mean of its divisors is an integer number (37440).

2²⁹¹¹³⁰ is an apocalyptic number.

291130 is an abundant number, since it is smaller than the sum of its proper divisors (307910).

It is a weird number, because it is abundant, but not a pseudoperfect number.

291130 is a wasteful number, since it uses less digits than its factorization.

291130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 291130 is about 539.5646393158. The cubic root of 291130 is about 66.2769203518.

The spelling of 291130 in words is "two hundred ninety-one thousand, one hundred thirty".