1361871159 has 8 divisors (see below), whose sum is σ = 1980903552. Its totient is φ = 825376440.

The previous prime is 1361871149. The next prime is 1361871187. The reversal of 1361871159 is 9511781631.

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

It is not a de Polignac number, because 1361871159 - 2⁸ = 1361870903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1361871159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361871109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20634379 + ... + 20634444.

It is an arithmetic number, because the mean of its divisors is an integer number (247612944).

Almost surely, 2^1361871159 is an apocalyptic number.

1361871159 is a deficient number, since it is larger than the sum of its proper divisors (619032393).

1361871159 is a wasteful number, since it uses less digits than its factorization.

1361871159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41268837.

The product of its digits is 45360, while the sum is 42.

The square root of 1361871159 is about 36903.5385701697. The cubic root of 1361871159 is about 1108.4395352332.

The spelling of 1361871159 in words is "one billion, three hundred sixty-one million, eight hundred seventy-one thousand, one hundred fifty-nine".