1361646306 has 24 divisors (see below), whose sum is σ = 3013006464. Its totient is φ = 444224760.

The previous prime is 1361646283. The next prime is 1361646317. The reversal of 1361646306 is 6036461631.

1361646306 is a `hidden beast` number, since 1 + 3 + 6 + 1 + 646 + 3 + 0 + 6 = 666.

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, 803910 + ... + 805601.

It is an arithmetic number, because the mean of its divisors is an integer number (125541936).

Almost surely, 2^1361646306 is an apocalyptic number.

1361646306 is an abundant number, since it is smaller than the sum of its proper divisors (1651360158).

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

1361646306 is a wasteful number, since it uses less digits than its factorization.

1361646306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609566 (or 1609563 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 1361646306 is about 36900.4919479402. The cubic root of 1361646306 is about 1108.3785285632.

The spelling of 1361646306 in words is "one billion, three hundred sixty-one million, six hundred forty-six thousand, three hundred six".