1365949147 has 4 divisors (see below), whose sum is σ = 1368991800. Its totient is φ = 1362906496.

The previous prime is 1365949129. The next prime is 1365949237. The reversal of 1365949147 is 7419495631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1365949147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1365949147.

It is not an unprimeable number, because it can be changed into a prime (1365949447) 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, 1520653 + ... + 1521550.

It is an arithmetic number, because the mean of its divisors is an integer number (342247950).

Almost surely, 2^1365949147 is an apocalyptic number.

1365949147 is a deficient number, since it is larger than the sum of its proper divisors (3042653).

1365949147 is an equidigital number, since it uses as much as digits as its factorization.

1365949147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042652.

The product of its digits is 816480, while the sum is 49.

The square root of 1365949147 is about 36958.7492618460. The cubic root of 1365949147 is about 1109.5448034806.

The spelling of 1365949147 in words is "one billion, three hundred sixty-five million, nine hundred forty-nine thousand, one hundred forty-seven".