1336518961 has 8 divisors (see below), whose sum is σ = 1350655848. Its totient is φ = 1322400000.

The previous prime is 1336518929. The next prime is 1336519001. The reversal of 1336518961 is 1698156331.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 413878336 + 922640625 = 20344^2 + 30375^2 .

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 1336518961 - 2⁵ = 1336518929 is a prime.

It is a super-2 number, since 2×1336518961² = 3572565866225039042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1336518901) 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, 188521 + ... + 195481.

It is an arithmetic number, because the mean of its divisors is an integer number (168831981).

Almost surely, 2^1336518961 is an apocalyptic number.

It is an amenable number.

1336518961 is a deficient number, since it is larger than the sum of its proper divisors (14136887).

1336518961 is a wasteful number, since it uses less digits than its factorization.

1336518961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8963.

The product of its digits is 116640, while the sum is 43.

The square root of 1336518961 is about 36558.4321463599. The cubic root of 1336518961 is about 1101.5182783586.

The spelling of 1336518961 in words is "one billion, three hundred thirty-six million, five hundred eighteen thousand, nine hundred sixty-one".