1361248866 has 24 divisors (see below), whose sum is σ = 2958868224. Its totient is φ = 452288760.

The previous prime is 1361248853. The next prime is 1361248877. The reversal of 1361248866 is 6688421631.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115986 + ... + 127181.

It is an arithmetic number, because the mean of its divisors is an integer number (123286176).

Almost surely, 2^1361248866 is an apocalyptic number.

1361248866 is an abundant number, since it is smaller than the sum of its proper divisors (1597619358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1361248866 is a wasteful number, since it uses less digits than its factorization.

1361248866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243486 (or 243483 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 1361248866 is about 36895.1062608580. The cubic root of 1361248866 is about 1108.2706795017.

The spelling of 1361248866 in words is "one billion, three hundred sixty-one million, two hundred forty-eight thousand, eight hundred sixty-six".