291141 has 16 divisors (see below), whose sum is σ = 443520. Its totient is φ = 188640.

The previous prime is 291113. The next prime is 291143. The reversal of 291141 is 141192.

291141 = T₄₁ + T₄₂ + ... + T₁₂₁.

It is not a de Polignac number, because 291141 - 2⁶ = 291077 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 291141.

It is not an unprimeable number, because it can be changed into a prime (291143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 976 + ... + 1238.

It is an arithmetic number, because the mean of its divisors is an integer number (27720).

2²⁹¹¹⁴¹ is an apocalyptic number.

It is an amenable number.

291141 is a deficient number, since it is larger than the sum of its proper divisors (152379).

291141 is a wasteful number, since it uses less digits than its factorization.

291141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 307 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 291141 is about 539.5748326229. The cubic root of 291141 is about 66.2777550728.

The spelling of 291141 in words is "two hundred ninety-one thousand, one hundred forty-one".