1361018979 has 6 divisors (see below), whose sum is σ = 1965916316. Its totient is φ = 907345980.

The previous prime is 1361018927. The next prime is 1361018987. The reversal of 1361018979 is 9798101631.

1361018979 is a `hidden beast` number, since 13 + 610 + 18 + 9 + 7 + 9 = 666.

It is not a de Polignac number, because 1361018979 - 2¹³ = 1361010787 is a prime.

It is a super-2 number, since 2×1361018979² = 3704745322396404882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361018579) 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 5 ways as a sum of consecutive naturals, for example, 75612157 + ... + 75612174.

Almost surely, 2^1361018979 is an apocalyptic number.

1361018979 is a deficient number, since it is larger than the sum of its proper divisors (604897337).

1361018979 is a wasteful number, since it uses less digits than its factorization.

1361018979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151224337 (or 151224334 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 1361018979 is about 36891.9907161433. The cubic root of 1361018979 is about 1108.2082879308.

The spelling of 1361018979 in words is "one billion, three hundred sixty-one million, eighteen thousand, nine hundred seventy-nine".