1361488813 has 8 divisors (see below), whose sum is σ = 1368808448. Its totient is φ = 1354180464.

The previous prime is 1361488789. The next prime is 1361488823. The reversal of 1361488813 is 3188841631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1361488813 - 2¹³ = 1361480621 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 1361488813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361488823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354220 + ... + 358042.

It is an arithmetic number, because the mean of its divisors is an integer number (171101056).

Almost surely, 2^1361488813 is an apocalyptic number.

It is an amenable number.

1361488813 is a deficient number, since it is larger than the sum of its proper divisors (7319635).

1361488813 is a wasteful number, since it uses less digits than its factorization.

1361488813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5643.

The product of its digits is 110592, while the sum is 43.

The square root of 1361488813 is about 36898.3578631895. The cubic root of 1361488813 is about 1108.3357938752.

The spelling of 1361488813 in words is "one billion, three hundred sixty-one million, four hundred eighty-eight thousand, eight hundred thirteen".