1337968394 has 8 divisors (see below), whose sum is σ = 2293660128. Its totient is φ = 573415020.

The previous prime is 1337968393. The next prime is 1337968409. The reversal of 1337968394 is 4938697331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1337968393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47784572 + ... + 47784599.

It is an arithmetic number, because the mean of its divisors is an integer number (286707516).

Almost surely, 2^1337968394 is an apocalyptic number.

1337968394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1337968394 is a deficient number, since it is larger than the sum of its proper divisors (955691734).

1337968394 is an equidigital number, since it uses as much as digits as its factorization.

1337968394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95569180.

The product of its digits is 2939328, while the sum is 53.

The square root of 1337968394 is about 36578.2502862015. The cubic root of 1337968394 is about 1101.9163273658.

The spelling of 1337968394 in words is "one billion, three hundred thirty-seven million, nine hundred sixty-eight thousand, three hundred ninety-four".