1336697481 has 32 divisors (see below), whose sum is σ = 2149580800. Its totient is φ = 721768320.

The previous prime is 1336697477. The next prime is 1336697501. The reversal of 1336697481 is 1847966331.

It is a happy number.

It is not a de Polignac number, because 1336697481 - 2² = 1336697477 is a prime.

It is a super-2 number, since 2×1336697481² = 3573520311423490722, which contains 22 as substring.

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 1336697481.

It is not an unprimeable number, because it can be changed into a prime (1336697281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159096 + ... + 167286.

It is an arithmetic number, because the mean of its divisors is an integer number (67174400).

Almost surely, 2^1336697481 is an apocalyptic number.

It is an amenable number.

1336697481 is a deficient number, since it is larger than the sum of its proper divisors (812883319).

1336697481 is a wasteful number, since it uses less digits than its factorization.

1336697481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8629.

The product of its digits is 653184, while the sum is 48.

The square root of 1336697481 is about 36560.8736356231. The cubic root of 1336697481 is about 1101.5673197600.

The spelling of 1336697481 in words is "one billion, three hundred thirty-six million, six hundred ninety-seven thousand, four hundred eighty-one".