1326738794 has 4 divisors (see below), whose sum is σ = 1990108194. Its totient is φ = 663369396.

The previous prime is 1326738761. The next prime is 1326738823. The reversal of 1326738794 is 4978376231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1099784569 + 226954225 = 33163^2 + 15065^2 .

It is a super-3 number, since 3×1326738794³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331684697 + ... + 331684700.

Almost surely, 2^1326738794 is an apocalyptic number.

1326738794 is a deficient number, since it is larger than the sum of its proper divisors (663369400).

1326738794 is an equidigital number, since it uses as much as digits as its factorization.

1326738794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663369399.

The product of its digits is 1524096, while the sum is 50.

The square root of 1326738794 is about 36424.4257881988. The cubic root of 1326738794 is about 1098.8248590819.

The spelling of 1326738794 in words is "one billion, three hundred twenty-six million, seven hundred thirty-eight thousand, seven hundred ninety-four".