1361321046 has 32 divisors (see below), whose sum is σ = 3027763200. Its totient is φ = 453382920.

The previous prime is 1361320993. The next prime is 1361321077. The reversal of 1361321046 is 6401231631.

1361321046 is a `hidden beast` number, since 1 + 3 + 613 + 2 + 1 + 0 + 46 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 in 15 ways as a sum of consecutive naturals, for example, 56235 + ... + 76713.

It is an arithmetic number, because the mean of its divisors is an integer number (94617600).

Almost surely, 2^1361321046 is an apocalyptic number.

1361321046 is an abundant number, since it is smaller than the sum of its proper divisors (1666442154).

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

1361321046 is a wasteful number, since it uses less digits than its factorization.

1361321046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21721 (or 21715 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1361321046 is about 36896.0844263995. The cubic root of 1361321046 is about 1108.2902677797.

Adding to 1361321046 its reverse (6401231631), we get a palindrome (7762552677).

The spelling of 1361321046 in words is "one billion, three hundred sixty-one million, three hundred twenty-one thousand, forty-six".