1361984153 has 4 divisors (see below), whose sum is σ = 1370340048. Its totient is φ = 1353628260.

The previous prime is 1361984147. The next prime is 1361984179. The reversal of 1361984153 is 3514891631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1361984153 - 2²⁴ = 1345206937 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 1361984153.

It is not an unprimeable number, because it can be changed into a prime (1367984153) 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, 4177703 + ... + 4178028.

It is an arithmetic number, because the mean of its divisors is an integer number (342585012).

Almost surely, 2^1361984153 is an apocalyptic number.

It is an amenable number.

1361984153 is a deficient number, since it is larger than the sum of its proper divisors (8355895).

1361984153 is an equidigital number, since it uses as much as digits as its factorization.

1361984153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8355894.

The product of its digits is 77760, while the sum is 41.

The square root of 1361984153 is about 36905.0694756154. The cubic root of 1361984153 is about 1108.4701900060.

The spelling of 1361984153 in words is "one billion, three hundred sixty-one million, nine hundred eighty-four thousand, one hundred fifty-three".