1336681398 has 32 divisors (see below), whose sum is σ = 2978287200. Its totient is φ = 397103616.

The previous prime is 1336681393. The next prime is 1336681439. The reversal of 1336681398 is 8931866331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1336681391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293203 + ... + 297726.

It is an arithmetic number, because the mean of its divisors is an integer number (93071475).

Almost surely, 2^1336681398 is an apocalyptic number.

1336681398 is an abundant number, since it is smaller than the sum of its proper divisors (1641605802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1336681398 is a wasteful number, since it uses less digits than its factorization.

1336681398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590976.

The product of its digits is 559872, while the sum is 48.

The square root of 1336681398 is about 36560.6536867163. The cubic root of 1336681398 is about 1101.5629017625.

The spelling of 1336681398 in words is "one billion, three hundred thirty-six million, six hundred eighty-one thousand, three hundred ninety-eight".