1326133004 has 24 divisors (see below), whose sum is σ = 2737824768. Its totient is φ = 550008720.

The previous prime is 1326133001. The next prime is 1326133007. The reversal of 1326133004 is 4003316231.

It is an interprime number because it is at equal distance from previous prime (1326133001) and next prime (1326133007).

It is not an unprimeable number, because it can be changed into a prime (1326133001) 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, 763034 + ... + 764769.

It is an arithmetic number, because the mean of its divisors is an integer number (114076032).

Almost surely, 2^1326133004 is an apocalyptic number.

1326133004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1326133004 is an abundant number, since it is smaller than the sum of its proper divisors (1411691764).

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

1326133004 is a wasteful number, since it uses less digits than its factorization.

1326133004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527845 (or 1527843 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1326133004 is about 36416.1091276924. The cubic root of 1326133004 is about 1098.6575921833.

Adding to 1326133004 its reverse (4003316231), we get a palindrome (5329449235).

The spelling of 1326133004 in words is "one billion, three hundred twenty-six million, one hundred thirty-three thousand, four".