1140040171 has 4 divisors (see below), whose sum is σ = 1140508512. Its totient is φ = 1139571832.

The previous prime is 1140040169. The next prime is 1140040177. The reversal of 1140040171 is 1710400411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1140040171 - 2¹ = 1140040169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140040177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230500 + ... + 235393.

It is an arithmetic number, because the mean of its divisors is an integer number (285127128).

Almost surely, 2^1140040171 is an apocalyptic number.

1140040171 is a deficient number, since it is larger than the sum of its proper divisors (468341).

1140040171 is an equidigital number, since it uses as much as digits as its factorization.

1140040171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468340.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 1140040171 is about 33764.4809081970. The cubic root of 1140040171 is about 1044.6561969680.

Adding to 1140040171 its reverse (1710400411), we get a palindrome (2850440582).

The spelling of 1140040171 in words is "one billion, one hundred forty million, forty thousand, one hundred seventy-one".