1326133003 has 4 divisors (see below), whose sum is σ = 1428143248. Its totient is φ = 1224122760.

The previous prime is 1326133001. The next prime is 1326133007. The reversal of 1326133003 is 3003316231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3003316231 = 97 ⋅30962023.

It is a cyclic number.

It is not a de Polignac number, because 1326133003 - 2¹ = 1326133001 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 51005103 + ... + 51005128.

It is an arithmetic number, because the mean of its divisors is an integer number (357035812).

Almost surely, 2^1326133003 is an apocalyptic number.

1326133003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1326133003 is a deficient number, since it is larger than the sum of its proper divisors (102010245).

1326133003 is a wasteful number, since it uses less digits than its factorization.

1326133003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102010244.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 1326133003 is about 36416.1091139622. The cubic root of 1326133003 is about 1098.6575919071.

Adding to 1326133003 its reverse (3003316231), we get a palindrome (4329449234).

It can be divided in two parts, 13261 and 33003, that added together give a palindrome (46264).

The spelling of 1326133003 in words is "one billion, three hundred twenty-six million, one hundred thirty-three thousand, three".