571140 has 72 divisors (see below), whose sum is σ = 1834560. Its totient is φ = 143424.

The previous prime is 571133. The next prime is 571147. The reversal of 571140 is 41175.

It is an interprime number because it is at equal distance from previous prime (571133) and next prime (571147).

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

It is not an unprimeable number, because it can be changed into a prime (571147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3337 + ... + 3503.

It is an arithmetic number, because the mean of its divisors is an integer number (25480).

2⁵⁷¹¹⁴⁰ 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 571140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (917280).

571140 is an abundant number, since it is smaller than the sum of its proper divisors (1263420).

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

571140 is a wasteful number, since it uses less digits than its factorization.

571140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 571140 is about 755.7380498559. The cubic root of 571140 is about 82.9686822379.

It can be divided in two parts, 57 and 1140, that multiplied together give a triangular number (64980 = T₃₆₀).

The spelling of 571140 in words is "five hundred seventy-one thousand, one hundred forty".