1361836886 has 4 divisors (see below), whose sum is σ = 2042755332. Its totient is φ = 680918442.

The previous prime is 1361836849. The next prime is 1361836919. The reversal of 1361836886 is 6886381631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6886381631 = 23 ⋅299407897.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340459220 + ... + 340459223.

It is an arithmetic number, because the mean of its divisors is an integer number (510688833).

Almost surely, 2^1361836886 is an apocalyptic number.

1361836886 is a deficient number, since it is larger than the sum of its proper divisors (680918446).

1361836886 is an equidigital number, since it uses as much as digits as its factorization.

1361836886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680918445.

The product of its digits is 995328, while the sum is 50.

The square root of 1361836886 is about 36903.0742079844. The cubic root of 1361836886 is about 1108.4302367846.

The spelling of 1361836886 in words is "one billion, three hundred sixty-one million, eight hundred thirty-six thousand, eight hundred eighty-six".