1333220133 has 16 divisors (see below), whose sum is σ = 2032142336. Its totient is φ = 761626800.

The previous prime is 1333220129. The next prime is 1333220171. The reversal of 1333220133 is 3310223331.

It is not a de Polignac number, because 1333220133 - 2² = 1333220129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1333220033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97560 + ... + 110382.

It is an arithmetic number, because the mean of its divisors is an integer number (127008896).

Almost surely, 2^1333220133 is an apocalyptic number.

It is an amenable number.

1333220133 is a deficient number, since it is larger than the sum of its proper divisors (698922203).

1333220133 is a wasteful number, since it uses less digits than its factorization.

1333220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17784.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 1333220133 is about 36513.2870747075. The cubic root of 1333220133 is about 1100.6112671446.

Adding to 1333220133 its reverse (3310223331), we get a palindrome (4643443464).

The spelling of 1333220133 in words is "one billion, three hundred thirty-three million, two hundred twenty thousand, one hundred thirty-three".