2143141361 has 8 divisors (see below), whose sum is σ = 2151678720. Its totient is φ = 2134615392.

The previous prime is 2143141349. The next prime is 2143141379. The reversal of 2143141361 is 1631413412.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2143141361 - 2¹⁸ = 2142879217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2143141361.

It is not an unprimeable number, because it can be changed into a prime (2143141331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644060 + ... + 647378.

It is an arithmetic number, because the mean of its divisors is an integer number (268959840).

Almost surely, 2^2143141361 is an apocalyptic number.

It is an amenable number.

2143141361 is a deficient number, since it is larger than the sum of its proper divisors (8537359).

2143141361 is a wasteful number, since it uses less digits than its factorization.

2143141361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5695.

The product of its digits is 1728, while the sum is 26.

The square root of 2143141361 is about 46294.0747936493. The cubic root of 2143141361 is about 1289.2889860217.

Adding to 2143141361 its reverse (1631413412), we get a palindrome (3774554773).

The spelling of 2143141361 in words is "two billion, one hundred forty-three million, one hundred forty-one thousand, three hundred sixty-one".