1361361159 has 12 divisors (see below), whose sum is σ = 1993348656. Its totient is φ = 895141152.

The previous prime is 1361361149. The next prime is 1361361161. The reversal of 1361361159 is 9511631631.

1361361159 is a `hidden beast` number, since 1 + 36 + 1 + 3 + 611 + 5 + 9 = 666.

It is not a de Polignac number, because 1361361159 - 2¹⁵ = 1361328391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361361149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1035387 + ... + 1036700.

It is an arithmetic number, because the mean of its divisors is an integer number (166112388).

Almost surely, 2^1361361159 is an apocalyptic number.

1361361159 is a deficient number, since it is larger than the sum of its proper divisors (631987497).

1361361159 is a wasteful number, since it uses less digits than its factorization.

1361361159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072166 (or 2072163 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 1361361159 is about 36896.6280166630. The cubic root of 1361361159 is about 1108.3011533851.

The spelling of 1361361159 in words is "one billion, three hundred sixty-one million, three hundred sixty-one thousand, one hundred fifty-nine".