1461136916 has 24 divisors (see below), whose sum is σ = 2701950720. Its totient is φ = 689955552.

The previous prime is 1461136909. The next prime is 1461136931. The reversal of 1461136916 is 6196311641.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1461136916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93251 + ... + 107786.

It is an arithmetic number, because the mean of its divisors is an integer number (112581280).

Almost surely, 2^1461136916 is an apocalyptic number.

It is an amenable number.

1461136916 is a deficient number, since it is larger than the sum of its proper divisors (1240813804).

1461136916 is a wasteful number, since it uses less digits than its factorization.

1461136916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201143 (or 201141 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The square root of 1461136916 is about 38224.8206797625. The cubic root of 1461136916 is about 1134.7415859390.

The spelling of 1461136916 in words is "one billion, four hundred sixty-one million, one hundred thirty-six thousand, nine hundred sixteen".