1361114143 has 4 divisors (see below), whose sum is σ = 1363238208. Its totient is φ = 1358990080.

The previous prime is 1361114137. The next prime is 1361114207. The reversal of 1361114143 is 3414111631.

It is a happy number.

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 1361114143 - 2²¹ = 1359016991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361114123) 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, 1061071 + ... + 1062352.

It is an arithmetic number, because the mean of its divisors is an integer number (340809552).

Almost surely, 2^1361114143 is an apocalyptic number.

1361114143 is a deficient number, since it is larger than the sum of its proper divisors (2124065).

1361114143 is an equidigital number, since it uses as much as digits as its factorization.

1361114143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124064.

The product of its digits is 864, while the sum is 25.

The square root of 1361114143 is about 36893.2804586418. The cubic root of 1361114143 is about 1108.2341163915.

Adding to 1361114143 its reverse (3414111631), we get a palindrome (4775225774).

The spelling of 1361114143 in words is "one billion, three hundred sixty-one million, one hundred fourteen thousand, one hundred forty-three".