1361066144 has 24 divisors (see below), whose sum is σ = 2680755840. Its totient is φ = 680239296.

The previous prime is 1361066141. The next prime is 1361066167. The reversal of 1361066144 is 4416601631.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1361066144.

It is not an unprimeable number, because it can be changed into a prime (1361066141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79187 + ... + 94829.

It is an arithmetic number, because the mean of its divisors is an integer number (111698160).

Almost surely, 2^1361066144 is an apocalyptic number.

It is an amenable number.

1361066144 is a deficient number, since it is larger than the sum of its proper divisors (1319689696).

1361066144 is a wasteful number, since it uses less digits than its factorization.

1361066144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18372 (or 18364 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1361066144 is about 36892.6299414937. The cubic root of 1361066144 is about 1108.2210891337.

Adding to 1361066144 its reverse (4416601631), we get a palindrome (5777667775).

The spelling of 1361066144 in words is "one billion, three hundred sixty-one million, sixty-six thousand, one hundred forty-four".