1320004133 has 4 divisors (see below), whose sum is σ = 1508576160. Its totient is φ = 1131432108.

The previous prime is 1320004121. The next prime is 1320004159. The reversal of 1320004133 is 3314000231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3314000231 = 8513 ⋅389287.

It is a cyclic number.

It is not a de Polignac number, because 1320004133 - 2⁶ = 1320004069 is a prime.

It is a super-2 number, since 2×1320004133² = 3484821822274163378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320004333) 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, 94286003 + ... + 94286016.

It is an arithmetic number, because the mean of its divisors is an integer number (377144040).

Almost surely, 2^1320004133 is an apocalyptic number.

It is an amenable number.

1320004133 is a deficient number, since it is larger than the sum of its proper divisors (188572027).

1320004133 is an equidigital number, since it uses as much as digits as its factorization.

1320004133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188572026.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1320004133 is about 36331.8611276659. The cubic root of 1320004133 is about 1096.9624553694.

Adding to 1320004133 its reverse (3314000231), we get a palindrome (4634004364).

The spelling of 1320004133 in words is "one billion, three hundred twenty million, four thousand, one hundred thirty-three".